GenLS 250K - Nowitna
收藏US Fish and Wildlife Service Open Data2026-03-28 收录
下载链接:
https://gis-fws.opendata.arcgis.com/datasets/fws::genls-250k-nowitna
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资源简介:
<div style='background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:"Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; line-height:1.5; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'><span style='font-family:inherit;'><span style='border:0px solid currentcolor; box-sizing:border-box; line-height:1.5;'>This feature service shows the index grid that is used as the basis for an automated map series covering the National Wildlife Refuges in Alaska. The grid is comprised of a series of tiles, each of which is 25 miles east/west by 25 miles north/south (four townships north/south by 4 ranges east/west). Each tile in the index grid </span></span>shows the 1:30,000 scale map extents for 604 maps covering all 16 of the National Wildlife Refuges within the State of Alaska.</div><div style='background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:"Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; line-height:1.5; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'> </div><div style='background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:"Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; line-height:1.5; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'>Each of the 604 maps is in the geoPDF format, which allows the maps to be loaded into a GPS-enabled tablet or smartphone for various purposes such as navigation, route planning, data collection, refuge management, etc.</div>
提供机构:
U.S. Fish & Wildlife Service



