File:Square butte.jpg
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Summary
| Description |
English: Northwest view of Square Butte, a laccolith in the Adel Mountains Volcanic Field in west-central Montana. From: Stephen S. Harlan, Lawrence W. Snee, Mitchell W. Reynolds, Harald H. Mehnert, R.G. Schmidt, Steve D. Sheriff, and Anthony J. Irving. "40Ar/39Ar and K-Ar Geochronology and Tectonic Significance of the Upper Cretaceous Adel Mountain Volcanics and Spatially Associated Tertiary Igneous Rocks, Northwestern Montana." Professional Paper 1696. U.S. Department of the Interior, U.S. Geological Survey. Reston, Virginia: 2005 |
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| Source | http://pubs.usgs.gov/pp/2005/1696/pdf/PP1696.pdf |
| Author | U.S. Geological Survey |
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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 20:58, 2 October 2009 | | 1,347 × 831 (877 KB) | Tim1965 | {{Information |Description={{en|1=Northwest view of Square Butte, a laccolith in the Adel Mountains Volcanic Field in west-central Montana. From: Stephen S. Harlan, Lawrence W. Snee, Mitchell W. Reynolds, Harald H. Mehnert, R.G. Schmidt, Steve D. Sheriff |
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