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MAPS
Title Map showing potential sources of gravel and crushed-rock aggregate in the Colorado Springs-Castle Rock area, Front Range urban corridor, Colorado / by Donald E. Trimble and Harold R. Fitch ; Department of the Interior, United States Geological Survey ; prepared in cooperation with the Colorado Geological Survey.
Imprint Reston, Va. : U.S. Geological Survey, 1974.

Copies/Volumes

LOCATION CALL # STATUS
 Maps  I 19.91:I-857-A    AVAILABLE