Boulders from the Gold Pan pit, some of these are 6 feet long. Summit County, Colorado. 1909.
Dates
Date Taken
1909
Summary
Boulders from the Gold Pan pit, some of these are 6 feet long. Summit County, Colorado. 1909. Plate 18-B in U.S. Geological Survey. Professional paper 75. 1911.
Summary
Boulders from the Gold Pan pit, some of these are 6 feet long. Summit County, Colorado. 1909. Plate 18-B in U.S. Geological Survey. Professional paper 75. 1911.
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