2005_Glacier margins derived from 2005 NAIP imagery for the named glaciers of Glacier National Park, MT and environs
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These polygon features represent digitization of the glacier margins for the 37 named glaciers of Glacier National Park (GNP) and two glaciers on U.S. Forest...
本套多边形要素为冰川国家公园（Glacier National Park, GNP）内37座已命名冰川，以及美国林务局（U.S. Forest）辖区内2座冰川的边界数字化成果……
