Silver Plume special map and (Clear Creek County) Silver Plume special map
Description:
U.S. Geological Survey; E.M. Douglas, Geographer; Frank Tweedy, in charge of section; topography by Pearson Chapman; triangulation by Frank Tweedy. Contour interval 50 feet. "Surveyed in 1904. Edition of May 1906. Approximate mean declination 1904. Engraved Feb. 1906 by U.S.G.S." Shows mining activity.
Image from the Map Collections courtesy Stanford University Libraries. This item is in the public domain. There are no restrictions on use. If you have questions, please contact Branner Earth Sciences Library & Map Collections at brannerlibrary@stanford.edu.
Rights Holder:
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