Symposium on the Geology and Mineral Deposits of the Challis 1°x2° Quadrangle, Idaho (1983 : Spokane, Wash.)
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1985.
1985
Symposium on the Geology and Mineral Deposits of the Challis 1°x2° Quadrangle, Idaho (1983 : Spokane, Wash.)
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1985.
1985