File: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
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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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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:05, 25 August 2008 | | 1,400 × 883 (839 KB) | wikimediacommons>Leaflet | {{Information |Description={{en|1=Arikaree sandstone on Brule clay, in Pawnee Buttes, strong unconformity due to erosion; typical beds of concretions in Arikaree formation. Weld County, Colorado (Circa 1900).}} |Source=U.S. Geological Survey Professional |
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