Mineral Resources of Southwestern Oregon Joseph Silas Diller Published: 1913 Total Pages: 682 Get eBook
Geology & Mineral Resources of Douglas County, Oregon Len Ramp Published: 1972 Total Pages: 126 Get eBook
Manganese Deposits of Southwestern Oregon Richard N. Appling (Jr.) Published: 1958 Total Pages: 66 Get eBook
List of U.S. Geological Survey Geologic and Water-supply Reports and Maps for California Published: 1987 Total Pages: 476 Get eBook
Uranium in the Mayoworth Area, Johnson County, Wyoming Albert LaSala Published: 1949 Total Pages: 388 Get eBook
Field-scale Experiments in Underground Gasification of Coal at Gorgas, Ala Clarence Watson Owings Published: 1957 Total Pages: 382 Get eBook
Investigation of Simon & Coles Manganese Deposit Bedford County, Pa W. H. Kerns Published: 1948 Total Pages: 226 Get eBook
