Potential of Heavy-mineral-bearing Alluvial Deposits in the Pacific Northwest Albert J. Kauffman Published: 1956 Total Pages: 44 Get eBook
Experimental and Theoretical Geophysics, 1964-68 Geological Survey (U.S.) Published: 1965 Total Pages: 296 Get eBook
Economic Geology of the Idaho Springs District, Clear Creek and Gilpin Counties, Colorado Donald Bruce Tatlock Published: 1965 Total Pages: 550 Get eBook
Mineral Facts and Problems United States. Bureau of Mines Published: 1960 Total Pages: 1024 Get eBook
Technical Bulletin - Bureau of Land Management United States. Bureau of Land Management Published: 1968 Total Pages: 228 Get eBook
