Geology of the Conterminous United States at 1:2,500,000 Scale

Polylines and polygons of the geologic map of the Conterminous (exclusive of Alaska and Hawaii) United State at a scale of 1:2,500,000.

Geology of Washington at 1:500,000 Scale

Polylines and polygons of the Washington State geologic map was digitized from compilations ranging in scale from 1:100,000 to 1:1,000,000, and is an accurate representation of the source maps.

Geology of Oregon at 1:500,000 Scale

Polylines and polygons of the Oregon State geologic map was digitized from compilations ranging in scale from 1:100,000 to 1:1,000,000, and is an accurate representation of the source maps.

Geology of California at 1:500,000 Scale

Polylines and polygons of the California State geologic map was digitized from compilations ranging in scale from 1:100,000 to 1:1,000,000, and is an accurate representation of the source maps.

Geology of Hawaii at 1:150,000 Scale

Polylines and polygons of the Digital Database of the Geologic Map of the Island of Hawai‘i. Geologic mapping was compiled at a scale of 1:100,000 for the entire mapping area.