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Bucyrus dredge of the Colorado Gold Dredging Company working up the Swan past the old Risdon dredge, Ten mile Range on the left.

Dates

Date Taken
1909

Summary

Bucyrus dredge of the Colorado Gold Dredging Company working up the Swan past the old Risdon dredge, Ten mile Range on the left. Gore Mountains on the right. Breckenridge District. Summit County, Colorado. 1909. Plate 33-B in U.S. Geological Survey Professional paper 75, 1911.

Contacts

Data Owner :
U.S. Geological Survey

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rfl00716.jpg thumbnail 7.55 MB

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collection

Additional Information

Identifiers

Type Scheme Key
name photoLibrary rfl00716
number photoLibrary 29611
batch photoLibrary btch227
number_in_book photoLibrary 716

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