Spatial Coverage: Gilpin County - Yale University Library GeoBlacklight Search Results

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11. Properties of the Bertha G.M. and M. Co. Gilipin County Colorado ... each full claim 1500 feet in length, Bertha Properties are those lined

1901. 2021-01-20T21:25:44Z. 2021-01-23T04:01:38Z. Rank, Samuel A., cartographer. Bertha Gold Mining and Milling Company. English. cartographic image. Public. Colorado, Gilpin County, Gilpin County (Colo.), and Gilpin County.

12. Stratigraphic study of Elk Park wetland, Gilpin County, Colorado [microform]

1996. 2002-06-01T04:00:00Z. 2022-07-11T15:16:13Z. Geological Survey (U.S.). The Survey. English. Public. Colorado and Gilpin County. Holocene.

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