Rough bed rocks and boulder piled in pit. Ophir district, Yukon region, Alaska. 1904.
Dates
Date Taken
1904
Summary
Rough bed rocks and boulder piled in pit. Ophir district, Yukon region, Alaska. September 1904. Plate 9-B in U.S. Geological Survey. Bulletin 263. 1905.
Summary
Rough bed rocks and boulder piled in pit. Ophir district, Yukon region, Alaska. September 1904. Plate 9-B in U.S. Geological Survey. Bulletin 263. 1905.
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