1966_Glacier margins derived from USGS 1966 topographic maps for the named glaciers of Glacier National Park, MT and environs

The 1966 polygons included in this data release represent the main body portion of the 37 named glaciers of Glacier National Park (GNP) and 2 named glaciers on the...本次数据发布中包含的1966个多边形要素，代表冰川国家公园（Glacier National Park, GNP）37座已命名冰川的主体部分，以及位于……的2座已命名冰川。