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Sand, gravel, and quarry aggregate resources, Colorado Front Range counties
Schwochow, S. D.
Shroba, R. R. Wicklein, P. C. (Phillip C.)
1974
Colorado Geological Survey, Dept. of Natural Resources
Denver, Colo.
Includes bibliographical references (p. 28-34).
Sand Gravel Quarries and quarrying
Front Range (Colo. and Wyo.)
1 online resource (vi, 43 p.) : ill., maps.
eng
Special publication (Colorado Geological Survey)
NR7.14/5A/INTERNET
http://hdl.handle.net/10176/co:11655
823870923
2013-02-19T20:52:56.751Z