SP-05B Atlas of Sand, Gravel, and Quarry Aggregate Resources, Colorado Front Range Counties

Atlas of Sand Gravel and Quarry Aggregate by quadrangle. Set of all 213 plates, reduced and compiled. 213 plates (1:24,000). Digital PDF download. See SP-05A for more related info. SP-05BD

Author: Schwochow, S. D., R. R. Shroba, and P. C. Wicklein. “SP-05-B Sand, Gravel, and Quarry Aggregate Resources Colorado Front Range Counties.” Aggregate Resources. Special Publication. Denver, CO: Colorado Geological Survey, Department of Natural Resources, 1974.
Status: Digital
Year: 1974

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