Geology and Ore Deposits of the Gold Brick District, Colorado Ralph Dixon Crawford Published: 1916 Total Pages: 642 Get eBook
Geology and Ore Deposits of the Leadville Mining District, Colorado Samuel Franklin Emmons Published: 1927 Total Pages: 462 Get eBook
Geology and Ore Deposits of the Alma District, Park County, Colorado Horace Bushnell Patton Published: 1912 Total Pages: 360 Get eBook
Ages of Selected Intrusive Rocks and Associated Ore Deposits in the Colorado Mineral Belt Charles G. Cunningham Published: 1994 Total Pages: 40 Get eBook
Geological Survey Professional Paper Geological Survey (U.S.) Published: 1931 Total Pages: 374 Get eBook
Mineral Resources of the United States United States. Bureau of Mines Published: 1918 Total Pages: 1100 Get eBook
