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Collection of digital structure contour maps from previously published USGS studies
Under the direction and funding of the National Cooperative Geologic Mapping Program (NCGMP) with guidance and encouragement from the United States Geological Survey (USGS),... -
Digital database of a 3D Geological Model of the Powder River Basin and...
This digital GIS dataset and accompanying nonspatial files synthesize model outputs from a regional-scale volumetric 3-D geologic model that portrays the generalized subsurface...