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Federal
Administrative Boundaries Centroids of National Park System Units NGDA
Department of the Interior —
National Park Service unit points. -
Federal
Digital Geologic-GIS Map of Fort Union Trading Post National Historic Site and Vicinity, Montana and North Dakota (NPS, GRD, GRI, FOUS, FOUS digital map) adapted from a Montana Bureau of Mines and Geology Open-File Reports by Vuke, Wilde and Smith (2011), and Bergantino and Wilde (2007)
Department of the Interior —
The Digital Geologic-GIS Map of Fort Union Trading Post National Historic Site and Vicinity, Montana and North Dakota is composed of GIS data layers and GIS tables,... -
Federal
Hydrographic and Impairment Statistics Database: FOUS
Department of the Interior —
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in...