Alluvium in gravel pit. Polk County, Oregon. 1929.
Dates
Date Taken
1929
Summary
Album caption: Alluvium in gravel pit in the NW1/4 sec. 3, T. 9 S., R. 4 W. Cross-bedded sand enclosed in sand and gravel, both ill-sorted. Salem quadrangle, Polk County, Oregon. July 11, 1929.
Summary
Album caption: Alluvium in gravel pit in the NW1/4 sec. 3, T. 9 S., R. 4 W. Cross-bedded sand enclosed in sand and gravel, both ill-sorted. Salem quadrangle, Polk County, Oregon. July 11, 1929.
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Available in the U.S. Geological Survey Denver Library Photographic Collection, Piper, A.M. Collection.
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