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Start Over You searched for: Spatial Coverage Douglas County (Colo.) Remove constraint Spatial Coverage: Douglas County (Colo.) Year 1913 Remove constraint Year: 1913

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1. Colorado, Castle Rock quadrangle

Yale Public content
1913. 2011-05-17T14:56:23Z. 2016-11-11T14:11:01Z. Geological Survey (U.S.). The Survey. English. Public. Douglas County (Colo.), El Paso County (Colo.), and Elbert County (Colo.).