USGS river boat moored in eddy on east side of upper entrance to Fort Hamlin-Rampart Canyon. Yukon Flats district, Yukon region, Alaska. 1949.
Dates
Date Taken
1949-09-06
Summary
U.S. Geological Survey river boat moored in eddy on east side of upper entrance to Fort Hamlin-Rampart Canyon. Note rock outcrops of "Lower Mississippian Rampart Group" on west bank. Rock is diabase, chert, and serpentine-rich rocks. Yukon Flats district, Yukon region, Alaska. September 6, 1949.
Summary
U.S. Geological Survey river boat moored in eddy on east side of upper entrance to Fort Hamlin-Rampart Canyon. Note rock outcrops of "Lower Mississippian Rampart Group" on west bank. Rock is diabase, chert, and serpentine-rich rocks. Yukon Flats district, Yukon region, Alaska. September 6, 1949.
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