U.S. Dept. of the Interior, U.S. Geological Survey ; U.S. Geological Survey, Information Services [distributor],
Alpers, Charles N., 1958-
Alpers, Charles N., 1958-
Hamlin, Scott N.
Hunerlach, Michael P.
California. State Water Resources Control Board.
East Bay Municipal Utility District (Calif.)
Geological Survey (U.S.)
Water-resources investigations report ; 96-4287
Hydrogeology and geochemistry of acid mine drainage in ground water in the vicinity of Penn Mine and Camanche Reservoir, Calaveras County, California : summary report, 1993-95
Hydrogeology and geochemistry of acid mine drainage in ground water in the vicinity of Penn Mine and Camanche Reservoir, Calaveras County, California : summary report, 1993-95
Hydrogeology and geochemistry of acid mine drainage in ground water in the vicinity of Penn Mine and Camanche Reservoir, Calaveras County, California :
Alpers, Charles N., 1958-