B-12 Common Minerals and Rocks: Their Occurrence and Uses

Common minerals and rocks-their occurrence and uses. 463 pages. 1 plate. 55 figures. 5 tables. 1917. Digital PDF download. B-12D

Author: George, R. D. “Bulletin 12 - Common Minerals and Rocks - Their Occurrence and Uses.” Mineralogical. Bulletin. Denver, CO: Colorado Geological Survey, 1917.
Status: Digital
Year: 1917