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Land status and Federal mineral ownership, southern Piceance basin (psowng)
This is a shapefile and coverage of ownership in the southern Piceance Basin coal assessment area, northwestern Colorado. Polygons that make up the coverage include counties,... -
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),... -
Land status and Federal mineral ownership, southern Piceance basin (psowng)
This is a shapefile and coverage of ownership in the southern Piceance Basin coal assessment area, northwestern Colorado. Polygons that make up the coverage include counties,...