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Federal
Digital Surficial Geologic Map of Lake Roosevelt National Recreation Area, Washington (NPS, GRD, GRI, LARO, LARO digital map)
Department of the Interior —
The Digital Surficial Geologic Map of Lake Roosevelt National Recreation Area, Washington is composed of GIS data layers complete with ArcMap 9.3 layer (.LYR) files,... -
Federal
Digital Surficial Geologic Map of the Grand Coulee Dam quadrangle, Washington (NPS, GRD, GRI, LARO, GCDA digital map)
Department of the Interior —
The Digital Surficial Geologic Map of the Grand Coulee Dam quadrangle, Washington is composed of GIS data layers complete with ArcMap 9.3 layer (.LYR) files, two...