IS-27 History of The Colorado Geological Survey (1872-1988)

History of the Colorado Geological Survey (1872-1988). 14 pages. Digital PDF download. IS-27D

Author: Rold, J. W., and S. D. Schwochow. “IS-27 History of the Colorado Geological Survey (1872-1988).” American Association of State Geologists, October 1988.
Status: Digital
Year: 1988

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