Colorado (Clear Creek County), Silver Plume special map / United States, Department of the Interior, Geological Survey ; E.M. Douglas, Geographer ; Frank Tweedy, in charge of section ; topography by Pearson Chapman ; triangulation by Frank Tweedy

Corporate Author: Geological Survey (U.S.)
Additional Titles: (Clear Creek County) Silver Plume special map, Silver Plume special map, and Title in lower right margin: Silver Plume, Colo
Published: [Washington, D.C.] : U.S. Geological Survey, 1948.
Edition: Edition of 1906, reprinted 1948.
Physical Description: 1 map : color ; 14 x 29 cm
Additional Creators: Chapman, Pearson

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Scale 1:12,000 ; polyconic projection (W 105°45ʹ--W 105°42ʹ35ʺ/N 39°42ʹ26ʺ--N 39°41ʹ33ʺ).

Note

Also shows mining activity and building footprints.
Relief shown by contours, hachures, and spot heights. Contour interval 50 feet.
"Surveyed in 1904."
"Approximate mean declination 1904."

View MARC record | catkey: 3555085

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Colorado (Clear Creek County), Silver Plume special map / United States, Department of the Interior, Geological Survey ; E.M. Douglas, Geographer ; Frank Tweedy, in charge of section ; topography by Pearson Chapman ; triangulation by Frank Tweedy

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