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Federal
Skagit Rivermiles within the North Cascades National Park Service Complex, nskagmilep1.shp
Department of the Interior —
The points in this ArcGIS shapefile mark river miles for the Skagit River, from river mile 50 (roughly 30 miles west of Park boundary) to river mile 127 (northern... -
Federal
Ross Lake Watershed, North Cascades National Park Service Complex, nrosswtshdg1.shp
Department of the Interior —
ArcGIS shapefile polygon that delineates the entire Ross Lake Watershed (in the US and Canada)