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    1 => 20
    2 => 50
    3 => 100
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  "paginator" => Illuminate\Pagination\LengthAwarePaginator {#1606
    #total: 163
    #lastPage: 17
    #items: Illuminate\Database\Eloquent\Collection {#1534
      #items: array:10 [
        0 => App\Models\Lake {#1612
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            0 => "deleted_at"
            1 => "deleted_at"
          ]
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            0 => "lake_code"
            1 => "name"
            2 => "name_index"
            3 => "latitude_n"
            4 => "longitude_e"
            5 => "altitude"
            6 => "zoom"
            7 => "map_marker_hidden"
            8 => "origin"
            9 => "freezing"
            10 => "mixing"
            11 => "surface_area"
            12 => "volume"
            13 => "maximum_depth"
            14 => "mean_depth"
            15 => "shoreline_length"
            16 => "catchment_area"
            17 => "residence_time"
            18 => "cover_photo"
            19 => "photo"
            20 => "note"
            21 => "reserve1"
            22 => "reserve2"
            23 => "reserve3"
            24 => "state"
            25 => "level_ctrl"
            26 => "level_fluc"
            27 => "sun_shine"
            28 => "solar_rad"
            29 => "fish_catch"
            30 => "tn_load"
            31 => "tp_load"
            32 => "population"
            33 => "population_dens"
            34 => "siltation"
            35 => "toxic_cont"
            36 => "eutrophication"
            37 => "acidification"
            38 => "a_name"
            39 => "a_institute"
            40 => "a_address"
            41 => "mark"
            42 => "description1"
            43 => "description2"
            44 => "created_at"
            45 => "updated_at"
            46 => "deleted_at"
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          #connection: "mysql"
          #table: "lakes"
          #primaryKey: "id"
          #keyType: "int"
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          #withCount: []
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          +exists: true
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          #attributes: array:57 [
            "id" => 36
            "lake_code" => "NAM-04"
            "name" => "Lake Superior"
            "name_index" => "Canada"
            "latitude_n" => 47.945
            "longitude_e" => -87.32
            "altitude" => 183.0
            "zoom" => 7
            "map_marker_hidden" => 0
            "origin" => "Natural"
            "freezing" => "Nov-Apr"
            "mixing" => "Dimictic"
            "surface_area" => 82367.0
            "volume" => 12221.0
            "maximum_depth" => 406.0
            "mean_depth" => 148.0
            "shoreline_length" => 4768.0
            "catchment_area" => 124838.0
            "residence_time" => 191.0
            "cover_photo" => 1
            "photo" => "A. Kurata"
            "note" => ""
            "reserve1" => ""
            "reserve2" => ""
            "reserve3" => ""
            "state" => "Michigan, Wisconsin and Minnesota, U.S.A.; and Ontario, Canada   "
            "level_ctrl" => "Regulated"
            "level_fluc" => 0.3
            "sun_shine" => 2104.0
            "solar_rad" => 31.22
            "fish_catch" => 4184.0
            "tn_load" => 0.0
            "tp_load" => 0.0
            "population" => 533500.0
            "population_dens" => 4.3
            "siltation" => "Not serious"
            "toxic_cont" => "Not serious"
            "eutrophication" => "Not serious"
            "acidification" => ""
            "a_name" => "Prof. F. M. D'Itri"
            "a_institute" => "Institute of Water Research, Michigan State University"
            "a_address" => "Lansing, U.S.A"
            "mark" => 1
            "description1" => "<p>Lake Superior is the second largest lake in the world next to the Caspian Sea, and has more surface area than any other freshwater lake. Its surface area (82,367 km2) is larger than the State of Maine. The lake was formed approximately 14,000 years ago by the retreat of continental ice-sheet together with the other Great Lakes. It is surrounded by hills and cliffs which offer the most spectacular landscape of any of the Great Lakes. The largest island, Isle Royale, is a United States National Park.</p>\r<p>The Apostle Islands of Wisconsin are now a National Lakeshore, with beautiful scenery and geological features. The long, hooked arm of the beautiful Keweenaw Peninsula is also a National Lakeshore of Michigan. The lake water flows out to L. Huron through the St. Mary's River from the eastern end.</p>\r<p>There are no large cities along the Canadian northern shore of this lake except for Thunder Bay, Ontario. Twin cities, Duluth and Superior, are situated at the western end of the lake. A large amount of ore and grain is loaded for transport abroad in the harbors of these cities. The 1,900 km journey from Duluth, Minnesota, to Kingston, Ontario, is the longest inland water transportation route in the world. The lake water is still oligotrophic and transparency at the centre of the lake is generally around 9m.</p>"
            "description2" => null
            "created_at" => "2020-04-23 08:33:23"
            "updated_at" => null
            "deleted_at" => null
            "lake_id" => 146
            "country_id" => 36
            "country_code" => "CA"
            "country_code3a" => "CAN"
            "country_name" => "Canada"
            "lat" => 60.0
            "lon" => -105.0
            "xoom_c" => 3
            "region_code" => "NAM"
          ]
          #original: array:57 [
            "id" => 36
            "lake_code" => "NAM-04"
            "name" => "Lake Superior"
            "name_index" => "Canada"
            "latitude_n" => 47.945
            "longitude_e" => -87.32
            "altitude" => 183.0
            "zoom" => 7
            "map_marker_hidden" => 0
            "origin" => "Natural"
            "freezing" => "Nov-Apr"
            "mixing" => "Dimictic"
            "surface_area" => 82367.0
            "volume" => 12221.0
            "maximum_depth" => 406.0
            "mean_depth" => 148.0
            "shoreline_length" => 4768.0
            "catchment_area" => 124838.0
            "residence_time" => 191.0
            "cover_photo" => 1
            "photo" => "A. Kurata"
            "note" => ""
            "reserve1" => ""
            "reserve2" => ""
            "reserve3" => ""
            "state" => "Michigan, Wisconsin and Minnesota, U.S.A.; and Ontario, Canada   "
            "level_ctrl" => "Regulated"
            "level_fluc" => 0.3
            "sun_shine" => 2104.0
            "solar_rad" => 31.22
            "fish_catch" => 4184.0
            "tn_load" => 0.0
            "tp_load" => 0.0
            "population" => 533500.0
            "population_dens" => 4.3
            "siltation" => "Not serious"
            "toxic_cont" => "Not serious"
            "eutrophication" => "Not serious"
            "acidification" => ""
            "a_name" => "Prof. F. M. D'Itri"
            "a_institute" => "Institute of Water Research, Michigan State University"
            "a_address" => "Lansing, U.S.A"
            "mark" => 1
            "description1" => "<p>Lake Superior is the second largest lake in the world next to the Caspian Sea, and has more surface area than any other freshwater lake. Its surface area (82,367 km2) is larger than the State of Maine. The lake was formed approximately 14,000 years ago by the retreat of continental ice-sheet together with the other Great Lakes. It is surrounded by hills and cliffs which offer the most spectacular landscape of any of the Great Lakes. The largest island, Isle Royale, is a United States National Park.</p>\r<p>The Apostle Islands of Wisconsin are now a National Lakeshore, with beautiful scenery and geological features. The long, hooked arm of the beautiful Keweenaw Peninsula is also a National Lakeshore of Michigan. The lake water flows out to L. Huron through the St. Mary's River from the eastern end.</p>\r<p>There are no large cities along the Canadian northern shore of this lake except for Thunder Bay, Ontario. Twin cities, Duluth and Superior, are situated at the western end of the lake. A large amount of ore and grain is loaded for transport abroad in the harbors of these cities. The 1,900 km journey from Duluth, Minnesota, to Kingston, Ontario, is the longest inland water transportation route in the world. The lake water is still oligotrophic and transparency at the centre of the lake is generally around 9m.</p>"
            "description2" => null
            "created_at" => "2020-04-23 08:33:23"
            "updated_at" => null
            "deleted_at" => null
            "lake_id" => 146
            "country_id" => 36
            "country_code" => "CA"
            "country_code3a" => "CAN"
            "country_name" => "Canada"
            "lat" => 60.0
            "lon" => -105.0
            "xoom_c" => 3
            "region_code" => "NAM"
          ]
          #changes: []
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          #relations: array:1 [
            "lake_another_names" => Illuminate\Database\Eloquent\Collection {#1611
              #items: []
            }
          ]
          #touches: []
          +timestamps: true
          #hidden: []
          #visible: []
          #guarded: array:1 [
            0 => "*"
          ]
          #forceDeleting: false
        }
        1 => App\Models\Lake {#1613
          #dates: array:2 [
            0 => "deleted_at"
            1 => "deleted_at"
          ]
          #fillable: array:47 [
            0 => "lake_code"
            1 => "name"
            2 => "name_index"
            3 => "latitude_n"
            4 => "longitude_e"
            5 => "altitude"
            6 => "zoom"
            7 => "map_marker_hidden"
            8 => "origin"
            9 => "freezing"
            10 => "mixing"
            11 => "surface_area"
            12 => "volume"
            13 => "maximum_depth"
            14 => "mean_depth"
            15 => "shoreline_length"
            16 => "catchment_area"
            17 => "residence_time"
            18 => "cover_photo"
            19 => "photo"
            20 => "note"
            21 => "reserve1"
            22 => "reserve2"
            23 => "reserve3"
            24 => "state"
            25 => "level_ctrl"
            26 => "level_fluc"
            27 => "sun_shine"
            28 => "solar_rad"
            29 => "fish_catch"
            30 => "tn_load"
            31 => "tp_load"
            32 => "population"
            33 => "population_dens"
            34 => "siltation"
            35 => "toxic_cont"
            36 => "eutrophication"
            37 => "acidification"
            38 => "a_name"
            39 => "a_institute"
            40 => "a_address"
            41 => "mark"
            42 => "description1"
            43 => "description2"
            44 => "created_at"
            45 => "updated_at"
            46 => "deleted_at"
          ]
          #connection: "mysql"
          #table: "lakes"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #attributes: array:57 [
            "id" => 36
            "lake_code" => "NAM-05"
            "name" => "Lake Huron"
            "name_index" => "Canada"
            "latitude_n" => 44.918
            "longitude_e" => -82.455
            "altitude" => 176.0
            "zoom" => 7
            "map_marker_hidden" => 0
            "origin" => "Natural"
            "freezing" => "80 days"
            "mixing" => "Dimictic"
            "surface_area" => 59570.0
            "volume" => 3535.0
            "maximum_depth" => 228.0
            "mean_depth" => 53.0
            "shoreline_length" => 5088.0
            "catchment_area" => 128464.0
            "residence_time" => 22.6
            "cover_photo" => 1
            "photo" => "A. Kurata"
            "note" => ""
            "reserve1" => ""
            "reserve2" => ""
            "reserve3" => ""
            "state" => "Michigan, U.S.A.; and Ontario, Canada                            "
            "level_ctrl" => "Unregulated"
            "level_fluc" => 0.0
            "sun_shine" => 2324.0
            "solar_rad" => 11.1
            "fish_catch" => 2977.0
            "tn_load" => 24700.0
            "tp_load" => 4857.0
            "population" => 1236300.0
            "population_dens" => 9.6
            "siltation" => ""
            "toxic_cont" => ""
            "eutrophication" => ""
            "acidification" => ""
            "a_name" => "Prof. F. M. D'Itri"
            "a_institute" => "Institute of Water Research, Michigan State University"
            "a_address" => "Lansing, U.S.A"
            "mark" => 1
            "description1" => "<p>Lake Huron is the second largest of the Great Lakes and the fifth largest in the world, with the most irregular shape of any of the Great Lakes. Even its largest island, Manitoulin, is wider than the State of Rhode Island, and has five small lakes of its own. The lake is connected with its neighbor, nearly same-sized L. Michigan, only by a narrow straight called the Straights of Mackinac, which is spanned by a 8 km-long bridge, the Mighty Mac. The shores around Mackinac offer spectacular landscape. The water quality of the lake is still excellent and oligotrophic. Transparency is generally recorded at 8 m, and chlorophyll a concentration at the lake centre is less than 2 micro l-1. However, the water in Saginaw Bay in the southern part has become considerably worse due to the nutrient loading from surrounding areas.</p>\r<p>Many long freighters and other seafacing vessels come and go on this "inland sea". In summer, recreational boating and yacht-racing are supported by many local clubs almost every day.</p>"
            "description2" => null
            "created_at" => "2020-04-23 08:33:23"
            "updated_at" => null
            "deleted_at" => null
            "lake_id" => 147
            "country_id" => 36
            "country_code" => "CA"
            "country_code3a" => "CAN"
            "country_name" => "Canada"
            "lat" => 60.0
            "lon" => -105.0
            "xoom_c" => 3
            "region_code" => "NAM"
          ]
          #original: array:57 [
            "id" => 36
            "lake_code" => "NAM-05"
            "name" => "Lake Huron"
            "name_index" => "Canada"
            "latitude_n" => 44.918
            "longitude_e" => -82.455
            "altitude" => 176.0
            "zoom" => 7
            "map_marker_hidden" => 0
            "origin" => "Natural"
            "freezing" => "80 days"
            "mixing" => "Dimictic"
            "surface_area" => 59570.0
            "volume" => 3535.0
            "maximum_depth" => 228.0
            "mean_depth" => 53.0
            "shoreline_length" => 5088.0
            "catchment_area" => 128464.0
            "residence_time" => 22.6
            "cover_photo" => 1
            "photo" => "A. Kurata"
            "note" => ""
            "reserve1" => ""
            "reserve2" => ""
            "reserve3" => ""
            "state" => "Michigan, U.S.A.; and Ontario, Canada                            "
            "level_ctrl" => "Unregulated"
            "level_fluc" => 0.0
            "sun_shine" => 2324.0
            "solar_rad" => 11.1
            "fish_catch" => 2977.0
            "tn_load" => 24700.0
            "tp_load" => 4857.0
            "population" => 1236300.0
            "population_dens" => 9.6
            "siltation" => ""
            "toxic_cont" => ""
            "eutrophication" => ""
            "acidification" => ""
            "a_name" => "Prof. F. M. D'Itri"
            "a_institute" => "Institute of Water Research, Michigan State University"
            "a_address" => "Lansing, U.S.A"
            "mark" => 1
            "description1" => "<p>Lake Huron is the second largest of the Great Lakes and the fifth largest in the world, with the most irregular shape of any of the Great Lakes. Even its largest island, Manitoulin, is wider than the State of Rhode Island, and has five small lakes of its own. The lake is connected with its neighbor, nearly same-sized L. Michigan, only by a narrow straight called the Straights of Mackinac, which is spanned by a 8 km-long bridge, the Mighty Mac. The shores around Mackinac offer spectacular landscape. The water quality of the lake is still excellent and oligotrophic. Transparency is generally recorded at 8 m, and chlorophyll a concentration at the lake centre is less than 2 micro l-1. However, the water in Saginaw Bay in the southern part has become considerably worse due to the nutrient loading from surrounding areas.</p>\r<p>Many long freighters and other seafacing vessels come and go on this "inland sea". In summer, recreational boating and yacht-racing are supported by many local clubs almost every day.</p>"
            "description2" => null
            "created_at" => "2020-04-23 08:33:23"
            "updated_at" => null
            "deleted_at" => null
            "lake_id" => 147
            "country_id" => 36
            "country_code" => "CA"
            "country_code3a" => "CAN"
            "country_name" => "Canada"
            "lat" => 60.0
            "lon" => -105.0
            "xoom_c" => 3
            "region_code" => "NAM"
          ]
          #changes: []
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          #relations: array:1 [
            "lake_another_names" => Illuminate\Database\Eloquent\Collection {#1565
              #items: []
            }
          ]
          #touches: []
          +timestamps: true
          #hidden: []
          #visible: []
          #guarded: array:1 [
            0 => "*"
          ]
          #forceDeleting: false
        }
        2 => App\Models\Lake {#1614
          #dates: array:2 [
            0 => "deleted_at"
            1 => "deleted_at"
          ]
          #fillable: array:47 [
            0 => "lake_code"
            1 => "name"
            2 => "name_index"
            3 => "latitude_n"
            4 => "longitude_e"
            5 => "altitude"
            6 => "zoom"
            7 => "map_marker_hidden"
            8 => "origin"
            9 => "freezing"
            10 => "mixing"
            11 => "surface_area"
            12 => "volume"
            13 => "maximum_depth"
            14 => "mean_depth"
            15 => "shoreline_length"
            16 => "catchment_area"
            17 => "residence_time"
            18 => "cover_photo"
            19 => "photo"
            20 => "note"
            21 => "reserve1"
            22 => "reserve2"
            23 => "reserve3"
            24 => "state"
            25 => "level_ctrl"
            26 => "level_fluc"
            27 => "sun_shine"
            28 => "solar_rad"
            29 => "fish_catch"
            30 => "tn_load"
            31 => "tp_load"
            32 => "population"
            33 => "population_dens"
            34 => "siltation"
            35 => "toxic_cont"
            36 => "eutrophication"
            37 => "acidification"
            38 => "a_name"
            39 => "a_institute"
            40 => "a_address"
            41 => "mark"
            42 => "description1"
            43 => "description2"
            44 => "created_at"
            45 => "updated_at"
            46 => "deleted_at"
          ]
          #connection: "mysql"
          #table: "lakes"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #attributes: array:57 [
            "id" => 36
            "lake_code" => "NAM-06"
            "name" => "Lake Erie"
            "name_index" => "Canada"
            "latitude_n" => 42.209
            "longitude_e" => -81.246
            "altitude" => 174.0
            "zoom" => 7
            "map_marker_hidden" => 0
            "origin" => "Natural"
            "freezing" => "80 days"
            "mixing" => ""
            "surface_area" => 25821.0
            "volume" => 458.0
            "maximum_depth" => 64.0
            "mean_depth" => 17.7
            "shoreline_length" => 1369.0
            "catchment_area" => 78769.0
            "residence_time" => 2.6
            "cover_photo" => 1
            "photo" => "H. Kurata"
            "note" => ""
            "reserve1" => ""
            "reserve2" => ""
            "reserve3" => ""
            "state" => "Michigan, Ohio, Pennsylvania, New York, U.S.A.; and Ontario, Cana"
            "level_ctrl" => "Unregulated"
            "level_fluc" => 0.0
            "sun_shine" => 2352.0
            "solar_rad" => 12.38
            "fish_catch" => 23000.0
            "tn_load" => 242500.0
            "tp_load" => 17474.0
            "population" => 13849100.0
            "population_dens" => 175.8
            "siltation" => ""
            "toxic_cont" => ""
            "eutrophication" => "Serious"
            "acidification" => ""
            "a_name" => "Drs. J. R. Vallentyne and K. Suboch"
            "a_institute" => "Canada Centre for Inland Waters"
            "a_address" => "Burlington, Canada"
            "mark" => 1
            "description1" => "<p>Lake Erie is the fourth largest and shallowest of the five Great Lakes, and is the only one with its floor above sea level. Generally the eastern portion of the lake is deep, while the western part is shallow and has many islands. The northern shore of the lake is in the Province of Ontario, Canada, and the southern shore is shared by four states of the United States. The lake water comes from L. Huron through the St. Clair River and the Detroit River (via L. St. Clair) at the west end. The only natural flow-out is at the northeast end through the Niagara River; besides, the Welland Canal bypasses Niagara Falls leading to L. Ontario.</p>\r<p>Extensive commerce is carried out between the harbors on the lake as well as to and from the other Great Lakes. L. Erie is thus quite important to the St. Lawrence seaway system. The western shore side is one of the most highly industrialized and densely populated areas in the United States. The lake reached a fairly high level of eutrophication similar to that of L. Ontario before the 1970's. On the other hand, L. Erie is known, together with L. Michigan, for abundant fish catch which is much greater than that in other Great Lakes.</p>"
            "description2" => null
            "created_at" => "2020-04-23 08:33:23"
            "updated_at" => null
            "deleted_at" => null
            "lake_id" => 148
            "country_id" => 36
            "country_code" => "CA"
            "country_code3a" => "CAN"
            "country_name" => "Canada"
            "lat" => 60.0
            "lon" => -105.0
            "xoom_c" => 3
            "region_code" => "NAM"
          ]
          #original: array:57 [
            "id" => 36
            "lake_code" => "NAM-06"
            "name" => "Lake Erie"
            "name_index" => "Canada"
            "latitude_n" => 42.209
            "longitude_e" => -81.246
            "altitude" => 174.0
            "zoom" => 7
            "map_marker_hidden" => 0
            "origin" => "Natural"
            "freezing" => "80 days"
            "mixing" => ""
            "surface_area" => 25821.0
            "volume" => 458.0
            "maximum_depth" => 64.0
            "mean_depth" => 17.7
            "shoreline_length" => 1369.0
            "catchment_area" => 78769.0
            "residence_time" => 2.6
            "cover_photo" => 1
            "photo" => "H. Kurata"
            "note" => ""
            "reserve1" => ""
            "reserve2" => ""
            "reserve3" => ""
            "state" => "Michigan, Ohio, Pennsylvania, New York, U.S.A.; and Ontario, Cana"
            "level_ctrl" => "Unregulated"
            "level_fluc" => 0.0
            "sun_shine" => 2352.0
            "solar_rad" => 12.38
            "fish_catch" => 23000.0
            "tn_load" => 242500.0
            "tp_load" => 17474.0
            "population" => 13849100.0
            "population_dens" => 175.8
            "siltation" => ""
            "toxic_cont" => ""
            "eutrophication" => "Serious"
            "acidification" => ""
            "a_name" => "Drs. J. R. Vallentyne and K. Suboch"
            "a_institute" => "Canada Centre for Inland Waters"
            "a_address" => "Burlington, Canada"
            "mark" => 1
            "description1" => "<p>Lake Erie is the fourth largest and shallowest of the five Great Lakes, and is the only one with its floor above sea level. Generally the eastern portion of the lake is deep, while the western part is shallow and has many islands. The northern shore of the lake is in the Province of Ontario, Canada, and the southern shore is shared by four states of the United States. The lake water comes from L. Huron through the St. Clair River and the Detroit River (via L. St. Clair) at the west end. The only natural flow-out is at the northeast end through the Niagara River; besides, the Welland Canal bypasses Niagara Falls leading to L. Ontario.</p>\r<p>Extensive commerce is carried out between the harbors on the lake as well as to and from the other Great Lakes. L. Erie is thus quite important to the St. Lawrence seaway system. The western shore side is one of the most highly industrialized and densely populated areas in the United States. The lake reached a fairly high level of eutrophication similar to that of L. Ontario before the 1970's. On the other hand, L. Erie is known, together with L. Michigan, for abundant fish catch which is much greater than that in other Great Lakes.</p>"
            "description2" => null
            "created_at" => "2020-04-23 08:33:23"
            "updated_at" => null
            "deleted_at" => null
            "lake_id" => 148
            "country_id" => 36
            "country_code" => "CA"
            "country_code3a" => "CAN"
            "country_name" => "Canada"
            "lat" => 60.0
            "lon" => -105.0
            "xoom_c" => 3
            "region_code" => "NAM"
          ]
          #changes: []
          #casts: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: array:1 [
            "lake_another_names" => Illuminate\Database\Eloquent\Collection {#1564
              #items: []
            }
          ]
          #touches: []
          +timestamps: true
          #hidden: []
          #visible: []
          #guarded: array:1 [
            0 => "*"
          ]
          #forceDeleting: false
        }
        3 => App\Models\Lake {#1615
          #dates: array:2 [
            0 => "deleted_at"
            1 => "deleted_at"
          ]
          #fillable: array:47 [
            0 => "lake_code"
            1 => "name"
            2 => "name_index"
            3 => "latitude_n"
            4 => "longitude_e"
            5 => "altitude"
            6 => "zoom"
            7 => "map_marker_hidden"
            8 => "origin"
            9 => "freezing"
            10 => "mixing"
            11 => "surface_area"
            12 => "volume"
            13 => "maximum_depth"
            14 => "mean_depth"
            15 => "shoreline_length"
            16 => "catchment_area"
            17 => "residence_time"
            18 => "cover_photo"
            19 => "photo"
            20 => "note"
            21 => "reserve1"
            22 => "reserve2"
            23 => "reserve3"
            24 => "state"
            25 => "level_ctrl"
            26 => "level_fluc"
            27 => "sun_shine"
            28 => "solar_rad"
            29 => "fish_catch"
            30 => "tn_load"
            31 => "tp_load"
            32 => "population"
            33 => "population_dens"
            34 => "siltation"
            35 => "toxic_cont"
            36 => "eutrophication"
            37 => "acidification"
            38 => "a_name"
            39 => "a_institute"
            40 => "a_address"
            41 => "mark"
            42 => "description1"
            43 => "description2"
            44 => "created_at"
            45 => "updated_at"
            46 => "deleted_at"
          ]
          #connection: "mysql"
          #table: "lakes"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #attributes: array:57 [
            "id" => 36
            "lake_code" => "NAM-07"
            "name" => "Lake Ontario"
            "name_index" => "Canada"
            "latitude_n" => 43.636
            "longitude_e" => -77.727
            "altitude" => 75.0
            "zoom" => 7
            "map_marker_hidden" => 0
            "origin" => "Natural"
            "freezing" => "Jan-Apr"
            "mixing" => ""
            "surface_area" => 19009.0
            "volume" => 1638.0
            "maximum_depth" => 224.0
            "mean_depth" => 86.0
            "shoreline_length" => 1161.0
            "catchment_area" => 75272.0
            "residence_time" => 7.9
            "cover_photo" => 1
            "photo" => "A. Kurata"
            "note" => ""
            "reserve1" => ""
            "reserve2" => ""
            "reserve3" => ""
            "state" => "Ontario, Canada; and New York, U.S.A.                            "
            "level_ctrl" => "Unregulated"
            "level_fluc" => 0.0
            "sun_shine" => 2392.0
            "solar_rad" => 11.84
            "fish_catch" => 2300.0
            "tn_load" => 176000.0
            "tp_load" => 27300.0
            "population" => 7135800.0
            "population_dens" => 0.0
            "siltation" => ""
            "toxic_cont" => ""
            "eutrophication" => "Serious"
            "acidification" => ""
            "a_name" => "Drs. J. R. Vallentyne and K. Suboch"
            "a_institute" => "Canada Centre for Inland Waters"
            "a_address" => "Burlington, Canada"
            "mark" => 1
            "description1" => "<p>Lake Ontario is the smallest and easternmost of the Great Lakes, covering only 19,099 km2, but is still nearly 30 times the area of L. Biwa. The Lake forms part of the international boundary between Canada and the United States; the whole northern shore belongs to the Canadian Province of Ontario and its southern shore is in the State of New York. Water flows into the lake from L. Erie through the Niagara River with the famous Niagara Falls, and flows out at the northeast end into the St. Lawrence River. There are no large islands in the lake, apart from the far east corner at the entrance to the St. Lawrence River. The most densely populated and industrialized area of Ontario Province is located on the west side of the lake, but there are only a few cities of significant size on the American side.</p>\r<p>The eutrophication of the lake started with the increase of population in the lake's drainage basin at the beginning of this century, and continued to advance until around 1973. It has been shown by scientists that the eutrophication of Lakes Ontario, Erie and Michigan is due to the increase in phosphorus loading, of which the main source is sewage effluents and in particular the domestic use of detergents containing phosphorus. After the Canada. U.S. international treaty was signed in 1972 for preventing eutrophication of the Great Lakes, however, the concentration of phosphorus in the lake water is decreasing owing to the prohibition on detergent use and the required treatment of sewage discharged into the drainage basin.</p>"
            "description2" => null
            "created_at" => "2020-04-23 08:33:23"
            "updated_at" => null
            "deleted_at" => null
            "lake_id" => 149
            "country_id" => 36
            "country_code" => "CA"
            "country_code3a" => "CAN"
            "country_name" => "Canada"
            "lat" => 60.0
            "lon" => -105.0
            "xoom_c" => 3
            "region_code" => "NAM"
          ]
          #original: array:57 [
            "id" => 36
            "lake_code" => "NAM-07"
            "name" => "Lake Ontario"
            "name_index" => "Canada"
            "latitude_n" => 43.636
            "longitude_e" => -77.727
            "altitude" => 75.0
            "zoom" => 7
            "map_marker_hidden" => 0
            "origin" => "Natural"
            "freezing" => "Jan-Apr"
            "mixing" => ""
            "surface_area" => 19009.0
            "volume" => 1638.0
            "maximum_depth" => 224.0
            "mean_depth" => 86.0
            "shoreline_length" => 1161.0
            "catchment_area" => 75272.0
            "residence_time" => 7.9
            "cover_photo" => 1
            "photo" => "A. Kurata"
            "note" => ""
            "reserve1" => ""
            "reserve2" => ""
            "reserve3" => ""
            "state" => "Ontario, Canada; and New York, U.S.A.                            "
            "level_ctrl" => "Unregulated"
            "level_fluc" => 0.0
            "sun_shine" => 2392.0
            "solar_rad" => 11.84
            "fish_catch" => 2300.0
            "tn_load" => 176000.0
            "tp_load" => 27300.0
            "population" => 7135800.0
            "population_dens" => 0.0
            "siltation" => ""
            "toxic_cont" => ""
            "eutrophication" => "Serious"
            "acidification" => ""
            "a_name" => "Drs. J. R. Vallentyne and K. Suboch"
            "a_institute" => "Canada Centre for Inland Waters"
            "a_address" => "Burlington, Canada"
            "mark" => 1
            "description1" => "<p>Lake Ontario is the smallest and easternmost of the Great Lakes, covering only 19,099 km2, but is still nearly 30 times the area of L. Biwa. The Lake forms part of the international boundary between Canada and the United States; the whole northern shore belongs to the Canadian Province of Ontario and its southern shore is in the State of New York. Water flows into the lake from L. Erie through the Niagara River with the famous Niagara Falls, and flows out at the northeast end into the St. Lawrence River. There are no large islands in the lake, apart from the far east corner at the entrance to the St. Lawrence River. The most densely populated and industrialized area of Ontario Province is located on the west side of the lake, but there are only a few cities of significant size on the American side.</p>\r<p>The eutrophication of the lake started with the increase of population in the lake's drainage basin at the beginning of this century, and continued to advance until around 1973. It has been shown by scientists that the eutrophication of Lakes Ontario, Erie and Michigan is due to the increase in phosphorus loading, of which the main source is sewage effluents and in particular the domestic use of detergents containing phosphorus. After the Canada. U.S. international treaty was signed in 1972 for preventing eutrophication of the Great Lakes, however, the concentration of phosphorus in the lake water is decreasing owing to the prohibition on detergent use and the required treatment of sewage discharged into the drainage basin.</p>"
            "description2" => null
            "created_at" => "2020-04-23 08:33:23"
            "updated_at" => null
            "deleted_at" => null
            "lake_id" => 149
            "country_id" => 36
            "country_code" => "CA"
            "country_code3a" => "CAN"
            "country_name" => "Canada"
            "lat" => 60.0
            "lon" => -105.0
            "xoom_c" => 3
            "region_code" => "NAM"
          ]
          #changes: []
          #casts: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: array:1 [
            "lake_another_names" => Illuminate\Database\Eloquent\Collection {#1566
              #items: []
            }
          ]
          #touches: []
          +timestamps: true
          #hidden: []
          #visible: []
          #guarded: array:1 [
            0 => "*"
          ]
          #forceDeleting: false
        }
        4 => App\Models\Lake {#1616
          #dates: array:2 [
            0 => "deleted_at"
            1 => "deleted_at"
          ]
          #fillable: array:47 [
            0 => "lake_code"
            1 => "name"
            2 => "name_index"
            3 => "latitude_n"
            4 => "longitude_e"
            5 => "altitude"
            6 => "zoom"
            7 => "map_marker_hidden"
            8 => "origin"
            9 => "freezing"
            10 => "mixing"
            11 => "surface_area"
            12 => "volume"
            13 => "maximum_depth"
            14 => "mean_depth"
            15 => "shoreline_length"
            16 => "catchment_area"
            17 => "residence_time"
            18 => "cover_photo"
            19 => "photo"
            20 => "note"
            21 => "reserve1"
            22 => "reserve2"
            23 => "reserve3"
            24 => "state"
            25 => "level_ctrl"
            26 => "level_fluc"
            27 => "sun_shine"
            28 => "solar_rad"
            29 => "fish_catch"
            30 => "tn_load"
            31 => "tp_load"
            32 => "population"
            33 => "population_dens"
            34 => "siltation"
            35 => "toxic_cont"
            36 => "eutrophication"
            37 => "acidification"
            38 => "a_name"
            39 => "a_institute"
            40 => "a_address"
            41 => "mark"
            42 => "description1"
            43 => "description2"
            44 => "created_at"
            45 => "updated_at"
            46 => "deleted_at"
          ]
          #connection: "mysql"
          #table: "lakes"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #attributes: array:57 [
            "id" => 36
            "lake_code" => "NAM-08"
            "name" => "Lake Winnipeg"
            "name_index" => "Canada"
            "latitude_n" => 52.421
            "longitude_e" => -97.677
            "altitude" => 217.0
            "zoom" => 7
            "map_marker_hidden" => 0
            "origin" => "Natural"
            "freezing" => "Nov-Mar"
            "mixing" => ""
            "surface_area" => 23750.0
            "volume" => 284.0
            "maximum_depth" => 36.0
            "mean_depth" => 12.0
            "shoreline_length" => 1750.0
            "catchment_area" => 953250.0
            "residence_time" => 3.6
            "cover_photo" => 1
            "photo" => "A. Kurata"
            "note" => ""
            "reserve1" => ""
            "reserve2" => ""
            "reserve3" => ""
            "state" => "Manitoba"
            "level_ctrl" => "Unregulated"
            "level_fluc" => 0.0
            "sun_shine" => 2177.0
            "solar_rad" => 0.0
            "fish_catch" => 7726.0
            "tn_load" => 77650.0
            "tp_load" => 6775.0
            "population" => 3859000.0
            "population_dens" => 4.0
            "siltation" => ""
            "toxic_cont" => ""
            "eutrophication" => ""
            "acidification" => ""
            "a_name" => ""
            "a_institute" => ""
            "a_address" => ""
            "mark" => 1
            "description1" => "<p>Lake Winnipeg is located on the northern fringe of the Canadian prairie where endless wheat fields and grasslands dotted with grazing cattle are characteristic of the landscape. The lake itself is surrounded by dense stands of elm, ash, basswood, maple and aspen, which bring, fleetingly, their gorgeous rich autumn color to the scenery.</p>\r<p>The lake is composed of two basins; a wide north basin and a narrow south basin. The <strong>Nelson River</strong>, the only outflow of this lake, proceeds northward from the north basin to <strong>Hudson Bay</strong>. On the other hand, the <strong>Red River</strong> flows into the south basin with abundant loads of mud and nutrients washed out from the prairie. The city of <strong>Winnipeg</strong> is situated in the upper reaches of the Red River in the heart of Manitoba. The lake is so shallow in spite of its extensive area that the water remains always muddy due to wave and turbulent mixing by strong winds. The population density in the drainage basin is still very low, but the lake has been fairly eutrophicated by nutrient loading of the Red and other inflowing rivers.</p>"
            "description2" => null
            "created_at" => "2020-04-23 08:33:23"
            "updated_at" => null
            "deleted_at" => null
            "lake_id" => 150
            "country_id" => 36
            "country_code" => "CA"
            "country_code3a" => "CAN"
            "country_name" => "Canada"
            "lat" => 60.0
            "lon" => -105.0
            "xoom_c" => 3
            "region_code" => "NAM"
          ]
          #original: array:57 [
            "id" => 36
            "lake_code" => "NAM-08"
            "name" => "Lake Winnipeg"
            "name_index" => "Canada"
            "latitude_n" => 52.421
            "longitude_e" => -97.677
            "altitude" => 217.0
            "zoom" => 7
            "map_marker_hidden" => 0
            "origin" => "Natural"
            "freezing" => "Nov-Mar"
            "mixing" => ""
            "surface_area" => 23750.0
            "volume" => 284.0
            "maximum_depth" => 36.0
            "mean_depth" => 12.0
            "shoreline_length" => 1750.0
            "catchment_area" => 953250.0
            "residence_time" => 3.6
            "cover_photo" => 1
            "photo" => "A. Kurata"
            "note" => ""
            "reserve1" => ""
            "reserve2" => ""
            "reserve3" => ""
            "state" => "Manitoba"
            "level_ctrl" => "Unregulated"
            "level_fluc" => 0.0
            "sun_shine" => 2177.0
            "solar_rad" => 0.0
            "fish_catch" => 7726.0
            "tn_load" => 77650.0
            "tp_load" => 6775.0
            "population" => 3859000.0
            "population_dens" => 4.0
            "siltation" => ""
            "toxic_cont" => ""
            "eutrophication" => ""
            "acidification" => ""
            "a_name" => ""
            "a_institute" => ""
            "a_address" => ""
            "mark" => 1
            "description1" => "<p>Lake Winnipeg is located on the northern fringe of the Canadian prairie where endless wheat fields and grasslands dotted with grazing cattle are characteristic of the landscape. The lake itself is surrounded by dense stands of elm, ash, basswood, maple and aspen, which bring, fleetingly, their gorgeous rich autumn color to the scenery.</p>\r<p>The lake is composed of two basins; a wide north basin and a narrow south basin. The <strong>Nelson River</strong>, the only outflow of this lake, proceeds northward from the north basin to <strong>Hudson Bay</strong>. On the other hand, the <strong>Red River</strong> flows into the south basin with abundant loads of mud and nutrients washed out from the prairie. The city of <strong>Winnipeg</strong> is situated in the upper reaches of the Red River in the heart of Manitoba. The lake is so shallow in spite of its extensive area that the water remains always muddy due to wave and turbulent mixing by strong winds. The population density in the drainage basin is still very low, but the lake has been fairly eutrophicated by nutrient loading of the Red and other inflowing rivers.</p>"
            "description2" => null
            "created_at" => "2020-04-23 08:33:23"
            "updated_at" => null
            "deleted_at" => null
            "lake_id" => 150
            "country_id" => 36
            "country_code" => "CA"
            "country_code3a" => "CAN"
            "country_name" => "Canada"
            "lat" => 60.0
            "lon" => -105.0
            "xoom_c" => 3
            "region_code" => "NAM"
          ]
          #changes: []
          #casts: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
          #observables: []
          #relations: array:1 [
            "lake_another_names" => Illuminate\Database\Eloquent\Collection {#1531
              #items: []
            }
          ]
          #touches: []
          +timestamps: true
          #hidden: []
          #visible: []
          #guarded: array:1 [
            0 => "*"
          ]
          #forceDeleting: false
        }
        5 => App\Models\Lake {#1617
          #dates: array:2 [
            0 => "deleted_at"
            1 => "deleted_at"
          ]
          #fillable: array:47 [
            0 => "lake_code"
            1 => "name"
            2 => "name_index"
            3 => "latitude_n"
            4 => "longitude_e"
            5 => "altitude"
            6 => "zoom"
            7 => "map_marker_hidden"
            8 => "origin"
            9 => "freezing"
            10 => "mixing"
            11 => "surface_area"
            12 => "volume"
            13 => "maximum_depth"
            14 => "mean_depth"
            15 => "shoreline_length"
            16 => "catchment_area"
            17 => "residence_time"
            18 => "cover_photo"
            19 => "photo"
            20 => "note"
            21 => "reserve1"
            22 => "reserve2"
            23 => "reserve3"
            24 => "state"
            25 => "level_ctrl"
            26 => "level_fluc"
            27 => "sun_shine"
            28 => "solar_rad"
            29 => "fish_catch"
            30 => "tn_load"
            31 => "tp_load"
            32 => "population"
            33 => "population_dens"
            34 => "siltation"
            35 => "toxic_cont"
            36 => "eutrophication"
            37 => "acidification"
            38 => "a_name"
            39 => "a_institute"
            40 => "a_address"
            41 => "mark"
            42 => "description1"
            43 => "description2"
            44 => "created_at"
            45 => "updated_at"
            46 => "deleted_at"
          ]
          #connection: "mysql"
          #table: "lakes"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #attributes: array:57 [
            "id" => 36
            "lake_code" => "NAM-10"
            "name" => "Lake Saint-John"
            "name_index" => "Canada"
            "latitude_n" => 48.594
            "longitude_e" => -72.035
            "altitude" => 99.6
            "zoom" => 7
            "map_marker_hidden" => 0
            "origin" => "Natural"
            "freezing" => "Dec-May"
            "mixing" => "Dimictic"
            "surface_area" => 1053.0
            "volume" => 11.9
            "maximum_depth" => 63.1
            "mean_depth" => 11.4
            "shoreline_length" => 0.0
            "catchment_area" => 71947.0
            "residence_time" => 0.25
            "cover_photo" => 1
            "photo" => "M. Ouelett"
            "note" => ""
            "reserve1" => ""
            "reserve2" => ""
            "reserve3" => "Lac Saint-Jean"
            "state" => "Quebec"
            "level_ctrl" => "Regulated"
            "level_fluc" => 5.5
            "sun_shine" => 1669.0
            "solar_rad" => 0.0
            "fish_catch" => 22500.0
            "tn_load" => 6341.6925
            "tp_load" => 415.0926
            "population" => 103308.0
            "population_dens" => 18.1
            "siltation" => "Serious"
            "toxic_cont" => "Not serious"
            "eutrophication" => "Serious"
            "acidification" => "None"
            "a_name" => "Dr. M. Ouelett"
            "a_institute" => "Institut National de la Recherche Scientifique, Universite du Quebec"
            "a_address" => "quebec, Canada"
            "mark" => 0
            "description1" => "<p>The Saguenay-Lake-Saint-Jean hydrographic system located within the south- central part of the Province of Quebec (Canada), has been since 1926 an important source of hydro-electric power. From the late twenties to the end of the fifties six hydro-electric power dams were built on the Peribonca and the Saguenay Rivers for a total installed capacity of 2,700 MW. These are owned and operated by the Aluminium Company of Canada (ALCAN) which uses this energy for the electrolysis of alumina in its three nearby aluminium smelters having a total annual metal production of 606,000 t. The whole hydrographic system covers a total area of 85,000 km2 within the northern latitudes of 47!|0' to 52!|1' and the western longitudes of 69!|1' to 74!|0'. The catchment, of typical Canadian Shield landforms, is made up of three distinct physiographic units. The forested head water unit, varying in altitude from a maximum of 1,500 m to a minimum of 180 m, drains 80% of the whole system. In its northern part, it is drained by several large rivers (Peribonca, Mistassini, Mistassibi, Chamouchouane, Ouasienmsca, Samaqua) all running in a southern direction through nearly parallel glacier-carved valleys. The southern smaller part of the Highlands is drained by the Metabetchouane, the Ouiatchouane and the Ouiatchouaniche. All these converge toward Lake Saint- Jean which acts as the main central reservoir for power dams located on the head of the Saguenay River.</p>\r<p>Although the Saguenay Fiord physiographic unit is very rugged, it is of majestic beauty and this has recently lead our governments to create national parks within that part of the country. Moreover, it is the most southerly fiord of the North Hemisphere and has been sustaining since postglacial times a typical arctic inland-entrapped fauna within its cold water which reaches a depth over 350 m. The white whale (Delphinapterus leucan) has been, till lately, the most important species representative of this northern fauna. Presently, because of industrial pollution originating since half a century largely from the aluminium smelters, their numbers are rapidly diminishing. From its asymmetric population age structure, it is only a matter of time before being completely wiped out from that peculiar range habitat.</p>\r<p>The climate of the area is humid continental, with cold summer but without dry season. At near the lake level (Roberval), July mean temperature of the area is 17!| while January average is -17!|. The growing season lasts from May 18th to October 4th, for a period of about 100 days without frost.</p>\r<p>Because of the large volume of low mineralized waters (1,457 m3 sec-1) originating from unpopulated forested areas and the short retention time (93 days) within the lacustrine basin, the water quality of the pelagic zone is almost unaffected by anthropogenic activities (Q).</p>"
            "description2" => null
            "created_at" => "2020-04-23 08:33:23"
            "updated_at" => null
            "deleted_at" => null
            "lake_id" => 152
            "country_id" => 36
            "country_code" => "CA"
            "country_code3a" => "CAN"
            "country_name" => "Canada"
            "lat" => 60.0
            "lon" => -105.0
            "xoom_c" => 3
            "region_code" => "NAM"
          ]
          #original: array:57 [
            "id" => 36
            "lake_code" => "NAM-10"
            "name" => "Lake Saint-John"
            "name_index" => "Canada"
            "latitude_n" => 48.594
            "longitude_e" => -72.035
            "altitude" => 99.6
            "zoom" => 7
            "map_marker_hidden" => 0
            "origin" => "Natural"
            "freezing" => "Dec-May"
            "mixing" => "Dimictic"
            "surface_area" => 1053.0
            "volume" => 11.9
            "maximum_depth" => 63.1
            "mean_depth" => 11.4
            "shoreline_length" => 0.0
            "catchment_area" => 71947.0
            "residence_time" => 0.25
            "cover_photo" => 1
            "photo" => "M. Ouelett"
            "note" => ""
            "reserve1" => ""
            "reserve2" => ""
            "reserve3" => "Lac Saint-Jean"
            "state" => "Quebec"
            "level_ctrl" => "Regulated"
            "level_fluc" => 5.5
            "sun_shine" => 1669.0
            "solar_rad" => 0.0
            "fish_catch" => 22500.0
            "tn_load" => 6341.6925
            "tp_load" => 415.0926
            "population" => 103308.0
            "population_dens" => 18.1
            "siltation" => "Serious"
            "toxic_cont" => "Not serious"
            "eutrophication" => "Serious"
            "acidification" => "None"
            "a_name" => "Dr. M. Ouelett"
            "a_institute" => "Institut National de la Recherche Scientifique, Universite du Quebec"
            "a_address" => "quebec, Canada"
            "mark" => 0
            "description1" => "<p>The Saguenay-Lake-Saint-Jean hydrographic system located within the south- central part of the Province of Quebec (Canada), has been since 1926 an important source of hydro-electric power. From the late twenties to the end of the fifties six hydro-electric power dams were built on the Peribonca and the Saguenay Rivers for a total installed capacity of 2,700 MW. These are owned and operated by the Aluminium Company of Canada (ALCAN) which uses this energy for the electrolysis of alumina in its three nearby aluminium smelters having a total annual metal production of 606,000 t. The whole hydrographic system covers a total area of 85,000 km2 within the northern latitudes of 47!|0' to 52!|1' and the western longitudes of 69!|1' to 74!|0'. The catchment, of typical Canadian Shield landforms, is made up of three distinct physiographic units. The forested head water unit, varying in altitude from a maximum of 1,500 m to a minimum of 180 m, drains 80% of the whole system. In its northern part, it is drained by several large rivers (Peribonca, Mistassini, Mistassibi, Chamouchouane, Ouasienmsca, Samaqua) all running in a southern direction through nearly parallel glacier-carved valleys. The southern smaller part of the Highlands is drained by the Metabetchouane, the Ouiatchouane and the Ouiatchouaniche. All these converge toward Lake Saint- Jean which acts as the main central reservoir for power dams located on the head of the Saguenay River.</p>\r<p>Although the Saguenay Fiord physiographic unit is very rugged, it is of majestic beauty and this has recently lead our governments to create national parks within that part of the country. Moreover, it is the most southerly fiord of the North Hemisphere and has been sustaining since postglacial times a typical arctic inland-entrapped fauna within its cold water which reaches a depth over 350 m. The white whale (Delphinapterus leucan) has been, till lately, the most important species representative of this northern fauna. Presently, because of industrial pollution originating since half a century largely from the aluminium smelters, their numbers are rapidly diminishing. From its asymmetric population age structure, it is only a matter of time before being completely wiped out from that peculiar range habitat.</p>\r<p>The climate of the area is humid continental, with cold summer but without dry season. At near the lake level (Roberval), July mean temperature of the area is 17!| while January average is -17!|. The growing season lasts from May 18th to October 4th, for a period of about 100 days without frost.</p>\r<p>Because of the large volume of low mineralized waters (1,457 m3 sec-1) originating from unpopulated forested areas and the short retention time (93 days) within the lacustrine basin, the water quality of the pelagic zone is almost unaffected by anthropogenic activities (Q).</p>"
            "description2" => null
            "created_at" => "2020-04-23 08:33:23"
            "updated_at" => null
            "deleted_at" => null
            "lake_id" => 152
            "country_id" => 36
            "country_code" => "CA"
            "country_code3a" => "CAN"
            "country_name" => "Canada"
            "lat" => 60.0
            "lon" => -105.0
            "xoom_c" => 3
            "region_code" => "NAM"
          ]
          #changes: []
          #casts: []
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          #dispatchesEvents: []
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          #relations: array:1 [
            "lake_another_names" => Illuminate\Database\Eloquent\Collection {#1527
              #items: []
            }
          ]
          #touches: []
          +timestamps: true
          #hidden: []
          #visible: []
          #guarded: array:1 [
            0 => "*"
          ]
          #forceDeleting: false
        }
        6 => App\Models\Lake {#1618
          #dates: array:2 [
            0 => "deleted_at"
            1 => "deleted_at"
          ]
          #fillable: array:47 [
            0 => "lake_code"
            1 => "name"
            2 => "name_index"
            3 => "latitude_n"
            4 => "longitude_e"
            5 => "altitude"
            6 => "zoom"
            7 => "map_marker_hidden"
            8 => "origin"
            9 => "freezing"
            10 => "mixing"
            11 => "surface_area"
            12 => "volume"
            13 => "maximum_depth"
            14 => "mean_depth"
            15 => "shoreline_length"
            16 => "catchment_area"
            17 => "residence_time"
            18 => "cover_photo"
            19 => "photo"
            20 => "note"
            21 => "reserve1"
            22 => "reserve2"
            23 => "reserve3"
            24 => "state"
            25 => "level_ctrl"
            26 => "level_fluc"
            27 => "sun_shine"
            28 => "solar_rad"
            29 => "fish_catch"
            30 => "tn_load"
            31 => "tp_load"
            32 => "population"
            33 => "population_dens"
            34 => "siltation"
            35 => "toxic_cont"
            36 => "eutrophication"
            37 => "acidification"
            38 => "a_name"
            39 => "a_institute"
            40 => "a_address"
            41 => "mark"
            42 => "description1"
            43 => "description2"
            44 => "created_at"
            45 => "updated_at"
            46 => "deleted_at"
          ]
          #connection: "mysql"
          #table: "lakes"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #attributes: array:57 [
            "id" => 36
            "lake_code" => "NAM-225"
            "name" => "St. Clair Lake"
            "name_index" => "Canada"
            "latitude_n" => 42.42
            "longitude_e" => -82.68
            "altitude" => 175.0
            "zoom" => 7
            "map_marker_hidden" => 0
            "origin" => ""
            "freezing" => ""
            "mixing" => "Polymictic"
            "surface_area" => 1114.0
            "volume" => 4.01
            "maximum_depth" => 9.0
            "mean_depth" => 3.6
            "shoreline_length" => 0.0
            "catchment_area" => 0.0
            "residence_time" => 0.0191
            "cover_photo" => 0
            "photo" => null
            "note" => ""
            "reserve1" => ""
            "reserve2" => ""
            "reserve3" => ""
            "state" => null
            "level_ctrl" => null
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            "sun_shine" => null
            "solar_rad" => null
            "fish_catch" => null
            "tn_load" => null
            "tp_load" => null
            "population" => null
            "population_dens" => null
            "siltation" => null
            "toxic_cont" => null
            "eutrophication" => null
            "acidification" => null
            "a_name" => null
            "a_institute" => null
            "a_address" => null
            "mark" => null
            "description1" => ""
            "description2" => null
            "created_at" => "2020-04-23 08:33:23"
            "updated_at" => null
            "deleted_at" => null
            "lake_id" => 548
            "country_id" => 36
            "country_code" => "CA"
            "country_code3a" => "CAN"
            "country_name" => "Canada"
            "lat" => 60.0
            "lon" => -105.0
            "xoom_c" => 3
            "region_code" => "NAM"
          ]
          #original: array:57 [
            "id" => 36
            "lake_code" => "NAM-225"
            "name" => "St. Clair Lake"
            "name_index" => "Canada"
            "latitude_n" => 42.42
            "longitude_e" => -82.68
            "altitude" => 175.0
            "zoom" => 7
            "map_marker_hidden" => 0
            "origin" => ""
            "freezing" => ""
            "mixing" => "Polymictic"
            "surface_area" => 1114.0
            "volume" => 4.01
            "maximum_depth" => 9.0
            "mean_depth" => 3.6
            "shoreline_length" => 0.0
            "catchment_area" => 0.0
            "residence_time" => 0.0191
            "cover_photo" => 0
            "photo" => null
            "note" => ""
            "reserve1" => ""
            "reserve2" => ""
            "reserve3" => ""
            "state" => null
            "level_ctrl" => null
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            "sun_shine" => null
            "solar_rad" => null
            "fish_catch" => null
            "tn_load" => null
            "tp_load" => null
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            "siltation" => null
            "toxic_cont" => null
            "eutrophication" => null
            "acidification" => null
            "a_name" => null
            "a_institute" => null
            "a_address" => null
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            "description2" => null
            "created_at" => "2020-04-23 08:33:23"
            "updated_at" => null
            "deleted_at" => null
            "lake_id" => 548
            "country_id" => 36
            "country_code" => "CA"
            "country_code3a" => "CAN"
            "country_name" => "Canada"
            "lat" => 60.0
            "lon" => -105.0
            "xoom_c" => 3
            "region_code" => "NAM"
          ]
          #changes: []
          #casts: []
          #dateFormat: null
          #appends: []
          #dispatchesEvents: []
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          #relations: array:1 [
            "lake_another_names" => Illuminate\Database\Eloquent\Collection {#1567
              #items: []
            }
          ]
          #touches: []
          +timestamps: true
          #hidden: []
          #visible: []
          #guarded: array:1 [
            0 => "*"
          ]
          #forceDeleting: false
        }
        7 => App\Models\Lake {#1619
          #dates: array:2 [
            0 => "deleted_at"
            1 => "deleted_at"
          ]
          #fillable: array:47 [
            0 => "lake_code"
            1 => "name"
            2 => "name_index"
            3 => "latitude_n"
            4 => "longitude_e"
            5 => "altitude"
            6 => "zoom"
            7 => "map_marker_hidden"
            8 => "origin"
            9 => "freezing"
            10 => "mixing"
            11 => "surface_area"
            12 => "volume"
            13 => "maximum_depth"
            14 => "mean_depth"
            15 => "shoreline_length"
            16 => "catchment_area"
            17 => "residence_time"
            18 => "cover_photo"
            19 => "photo"
            20 => "note"
            21 => "reserve1"
            22 => "reserve2"
            23 => "reserve3"
            24 => "state"
            25 => "level_ctrl"
            26 => "level_fluc"
            27 => "sun_shine"
            28 => "solar_rad"
            29 => "fish_catch"
            30 => "tn_load"
            31 => "tp_load"
            32 => "population"
            33 => "population_dens"
            34 => "siltation"
            35 => "toxic_cont"
            36 => "eutrophication"
            37 => "acidification"
            38 => "a_name"
            39 => "a_institute"
            40 => "a_address"
            41 => "mark"
            42 => "description1"
            43 => "description2"
            44 => "created_at"
            45 => "updated_at"
            46 => "deleted_at"
          ]
          #connection: "mysql"
          #table: "lakes"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #attributes: array:57 [
            "id" => 36
            "lake_code" => "NAM-234"
            "name" => "Bas d'Or Lake"
            "name_index" => "Canada"
            "latitude_n" => 45.844
            "longitude_e" => -60.818
            "altitude" => -1.0
            "zoom" => 7
            "map_marker_hidden" => 0
            "origin" => "Coastal  ( lagoon )"
            "freezing" => ""
            "mixing" => ""
            "surface_area" => 1099.0
            "volume" => 0.0
            "maximum_depth" => 70.0
            "mean_depth" => 0.0
            "shoreline_length" => 597.0
            "catchment_area" => 0.0
            "residence_time" => 0.0
            "cover_photo" => 0
            "photo" => null
            "note" => ""
            "reserve1" => ""
            "reserve2" => ""
            "reserve3" => ""
            "state" => null
            "level_ctrl" => null
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            "sun_shine" => null
            "solar_rad" => null
            "fish_catch" => null
            "tn_load" => null
            "tp_load" => null
            "population" => null
            "population_dens" => null
            "siltation" => null
            "toxic_cont" => null
            "eutrophication" => null
            "acidification" => null
            "a_name" => null
            "a_institute" => null
            "a_address" => null
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            "created_at" => "2020-04-23 08:33:23"
            "updated_at" => null
            "deleted_at" => null
            "lake_id" => 566
            "country_id" => 36
            "country_code" => "CA"
            "country_code3a" => "CAN"
            "country_name" => "Canada"
            "lat" => 60.0
            "lon" => -105.0
            "xoom_c" => 3
            "region_code" => "NAM"
          ]
          #original: array:57 [
            "id" => 36
            "lake_code" => "NAM-234"
            "name" => "Bas d'Or Lake"
            "name_index" => "Canada"
            "latitude_n" => 45.844
            "longitude_e" => -60.818
            "altitude" => -1.0
            "zoom" => 7
            "map_marker_hidden" => 0
            "origin" => "Coastal  ( lagoon )"
            "freezing" => ""
            "mixing" => ""
            "surface_area" => 1099.0
            "volume" => 0.0
            "maximum_depth" => 70.0
            "mean_depth" => 0.0
            "shoreline_length" => 597.0
            "catchment_area" => 0.0
            "residence_time" => 0.0
            "cover_photo" => 0
            "photo" => null
            "note" => ""
            "reserve1" => ""
            "reserve2" => ""
            "reserve3" => ""
            "state" => null
            "level_ctrl" => null
            "level_fluc" => null
            "sun_shine" => null
            "solar_rad" => null
            "fish_catch" => null
            "tn_load" => null
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            "a_institute" => null
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            "created_at" => "2020-04-23 08:33:23"
            "updated_at" => null
            "deleted_at" => null
            "lake_id" => 566
            "country_id" => 36
            "country_code" => "CA"
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            "country_name" => "Canada"
            "lat" => 60.0
            "lon" => -105.0
            "xoom_c" => 3
            "region_code" => "NAM"
          ]
          #changes: []
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          #relations: array:1 [
            "lake_another_names" => Illuminate\Database\Eloquent\Collection {#1609
              #items: []
            }
          ]
          #touches: []
          +timestamps: true
          #hidden: []
          #visible: []
          #guarded: array:1 [
            0 => "*"
          ]
          #forceDeleting: false
        }
        8 => App\Models\Lake {#1620
          #dates: array:2 [
            0 => "deleted_at"
            1 => "deleted_at"
          ]
          #fillable: array:47 [
            0 => "lake_code"
            1 => "name"
            2 => "name_index"
            3 => "latitude_n"
            4 => "longitude_e"
            5 => "altitude"
            6 => "zoom"
            7 => "map_marker_hidden"
            8 => "origin"
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            10 => "mixing"
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            12 => "volume"
            13 => "maximum_depth"
            14 => "mean_depth"
            15 => "shoreline_length"
            16 => "catchment_area"
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            18 => "cover_photo"
            19 => "photo"
            20 => "note"
            21 => "reserve1"
            22 => "reserve2"
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            24 => "state"
            25 => "level_ctrl"
            26 => "level_fluc"
            27 => "sun_shine"
            28 => "solar_rad"
            29 => "fish_catch"
            30 => "tn_load"
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            32 => "population"
            33 => "population_dens"
            34 => "siltation"
            35 => "toxic_cont"
            36 => "eutrophication"
            37 => "acidification"
            38 => "a_name"
            39 => "a_institute"
            40 => "a_address"
            41 => "mark"
            42 => "description1"
            43 => "description2"
            44 => "created_at"
            45 => "updated_at"
            46 => "deleted_at"
          ]
          #connection: "mysql"
          #table: "lakes"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #attributes: array:57 [
            "id" => 36
            "lake_code" => "NAM-236"
            "name" => "Lake Nipissing"
            "name_index" => "Canada"
            "latitude_n" => 46.275
            "longitude_e" => -79.696
            "altitude" => 196.0
            "zoom" => 7
            "map_marker_hidden" => 0
            "origin" => "Natural"
            "freezing" => "Dec.-Apr."
            "mixing" => "Dimictic"
            "surface_area" => 855.0
            "volume" => 3.84
            "maximum_depth" => 69.0
            "mean_depth" => 4.5
            "shoreline_length" => 794.6
            "catchment_area" => 10000.0
            "residence_time" => 0.7
            "cover_photo" => 0
            "photo" => null
            "note" => ""
            "reserve1" => ""
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            "state" => null
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            "a_name" => null
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            "created_at" => "2020-04-23 08:33:23"
            "updated_at" => null
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            "lake_id" => 520
            "country_id" => 36
            "country_code" => "CA"
            "country_code3a" => "CAN"
            "country_name" => "Canada"
            "lat" => 60.0
            "lon" => -105.0
            "xoom_c" => 3
            "region_code" => "NAM"
          ]
          #original: array:57 [
            "id" => 36
            "lake_code" => "NAM-236"
            "name" => "Lake Nipissing"
            "name_index" => "Canada"
            "latitude_n" => 46.275
            "longitude_e" => -79.696
            "altitude" => 196.0
            "zoom" => 7
            "map_marker_hidden" => 0
            "origin" => "Natural"
            "freezing" => "Dec.-Apr."
            "mixing" => "Dimictic"
            "surface_area" => 855.0
            "volume" => 3.84
            "maximum_depth" => 69.0
            "mean_depth" => 4.5
            "shoreline_length" => 794.6
            "catchment_area" => 10000.0
            "residence_time" => 0.7
            "cover_photo" => 0
            "photo" => null
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            "state" => null
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            "lake_id" => 520
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            "country_code" => "CA"
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            "lat" => 60.0
            "lon" => -105.0
            "xoom_c" => 3
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          ]
          #changes: []
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          #relations: array:1 [
            "lake_another_names" => Illuminate\Database\Eloquent\Collection {#1608
              #items: []
            }
          ]
          #touches: []
          +timestamps: true
          #hidden: []
          #visible: []
          #guarded: array:1 [
            0 => "*"
          ]
          #forceDeleting: false
        }
        9 => App\Models\Lake {#1621
          #dates: array:2 [
            0 => "deleted_at"
            1 => "deleted_at"
          ]
          #fillable: array:47 [
            0 => "lake_code"
            1 => "name"
            2 => "name_index"
            3 => "latitude_n"
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            6 => "zoom"
            7 => "map_marker_hidden"
            8 => "origin"
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            19 => "photo"
            20 => "note"
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            24 => "state"
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            27 => "sun_shine"
            28 => "solar_rad"
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            32 => "population"
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            34 => "siltation"
            35 => "toxic_cont"
            36 => "eutrophication"
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            38 => "a_name"
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            43 => "description2"
            44 => "created_at"
            45 => "updated_at"
            46 => "deleted_at"
          ]
          #connection: "mysql"
          #table: "lakes"
          #primaryKey: "id"
          #keyType: "int"
          +incrementing: true
          #with: []
          #withCount: []
          #perPage: 15
          +exists: true
          +wasRecentlyCreated: false
          #attributes: array:57 [
            "id" => 36
            "lake_code" => "NAM-239"
            "name" => "Gouin"
            "name_index" => "Canada"
            "latitude_n" => 48.608
            "longitude_e" => -75.113
            "altitude" => 404.0
            "zoom" => 7
            "map_marker_hidden" => 0
            "origin" => ""
            "freezing" => ""
            "mixing" => "Dimictic"
            "surface_area" => 1302.0
            "volume" => 85.73
            "maximum_depth" => 0.0
            "mean_depth" => 69.14
            "shoreline_length" => 1852.4
            "catchment_area" => 9450.0
            "residence_time" => 1.75
            "cover_photo" => 0
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Lake Name ▲ ▼	Country ▲ ▼
Lake Superior	Canada
Lake Huron	Canada
Lake Erie	Canada
Lake Ontario	Canada
Lake Winnipeg	Canada
Lake Saint-John	Canada
St. Clair Lake	Canada
Bas d'Or Lake	Canada
Lake Nipissing	Canada
Gouin	Canada
WLDB Lake List in North America
