Powell, Robert E.

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Geologic Map and Digital Database of the Cougar Buttes 7.5' Quadrangle, San Bernardino County, California

This data set maps and describes the geology of the Cougar Buttes 7.5' quadrangle, San Bernardino County, California. Created using Environmental Systems Research Institute's ARC/INFO software, the data base consists of the following items: (1) a map cove

Geologic map and digital database of the Conejo Well 7.5 minute quadrangle, Riverside County, California

This data set maps and describes the geology of the Conejo Well 7.5 minute quadrangle, Riverside County, southern California. The quadrangle, situated in Joshua Tree National Park in the eastern Transverse Ranges physiographic and structural province, enc

Geologic map and digital database of the Porcupine Wash 7.5 minute quadrangle, Riverside County, California

This data set maps and describes the geology of the Porcupine Wash 7.5 minute quadrangle, Riverside County, southern California. The quadrangle, situated in Joshua Tree National Park in the eastern Transverse Ranges physiographic and structural province,

Geologic map and digital database of the Pinto Mountain 7.5 minute quadrangle, Riverside County, California

This data set maps and describes the geology of the Pinto Mountain 7.5 minute quadrangle, Riverside County, southern California. The quadrangle, situated in Joshua Tree National Park in the eastern Transverse Ranges physiographic and structural province,

Geologic map and digital database of the San Bernardino Wash 7.5 minute quadrangle, Riverside County, California

This data set maps and describes the geology of the San Bernardino Wash 7.5 minute quadrangle, Riverside County, southern California. The quadrangle, situated in Joshua Tree National Park in the eastern Transverse Ranges physiographic and structural prov

Geologic map of the Fawnskin 7.5' quadrangle, San Bernardino County, California

This data set maps and describes the geology of the Fawnskin 7.5' quadrangle, San Bernardino County, California and contains original U.S. Geological Survey data generated by detailed field observation and by interpretation of aerial photographs. The geo

Digital geologic map of the Sandpoint 1- by 2-degree quadrangle, Washington, Idaho, and Montana

The geology of the Sandpoint 1:250,000 quadrangle, Washington, Idaho, and Montana was mapped by F.K. Miller, R.F. Burmester, D.M. Miller, and R.E. Powell between 1963 and 1995 onto a scale-stable 1:250,000 topographic map base and subsequently input into