Valley fill of sand and clay exposed by recent erosion in Comb Wash. San Juan County, Utah.
Dates
Date Taken
1929
Summary
Valley fill of sand and clay exposed by recent erosion in Comb Wash. San Juan County, Utah. 1929. Published as plate 20-A in U.S. Geological Survey. Professional paper 188, 1938.
Summary
Valley fill of sand and clay exposed by recent erosion in Comb Wash. San Juan County, Utah. 1929. Published as plate 20-A in U.S. Geological Survey. Professional paper 188, 1938.
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