PawneeButtes_1900_USGS.jpg
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Summary
| Description |
English:
Pawnee Buttes
consists of Arikaree sandstone on Brule clay with a strong unconformity due to erosion; typical beds of concretions in Arikaree formation. Weld County, Colorado (Circa 1900).
|
| Date | |
| Source | U.S. Geological Survey Professional Paper 32 (1905) |
| Author | Darton, N. H. (USGS) |
Licensing
|
This image is in the
public domain
in the United States because it only contains materials that originally came from the
United States Geological Survey
, an agency of the
United States Department of the Interior
. For more information, see
the official USGS copyright policy
.
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