Derkey, Robert E.

About the author


Geologic datasets for weights of evidence analysis in northeast Washington--4. Mineral industry activity in Washington, 1985-1997.

This report is a tabular presentation of mineral activities for mining and exploration in Washington during 1985 to 1997. The data may be incomplete as it depended on published data or data volunteered by operators.

Digital geologic map of Spokane County and vicinity, Washington and Idaho

The geology of Spokane County and vicinity, Washington and Idaho was compiled from Carrara and others (1995), Joseph (1990), Kiver and others (1979), Miller (written communication, 1995), and Waggoner (1990a, b) for input into an Arc/Info geographic infor

Digital geologic map of the Rosalia 1:100,000 quadrangle, Washington and Idaho: a digital database for the 1990 S.Z. Waggoner map

The geology of the Rosalia 1:100,000 quadrangle, Washington and Idaho was compiled and published as a paper product by the Washington Division of Geology and Earth Resources (Waggoner, 1990). The U.S. Geological Survey converted the geologic data to a di