File:FossilTreesSpecimenRidgeYNP1890.jpg
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English: Yellowstone National Park, Wyoming. Fossil tree trunks pilyoxylon aldersoni in Fossil Forest on Specimen Ridge. Two fine specimens of fossil trees exposed on a steep hillside by the erosion of the basic breccia in which roots are firmly embedded. Nearby is a bold cliff, showing the character of the breccia and the manner in which it has been deposited. Circa 1890. Figure 2, U.S. Geological Survey Folio 30. |
| Date | |
| Source | Downloaded from USGS Photo Library: http://libraryphoto.cr.usgs.gov/htmllib/batch82/batch82j/batch82z/batch82/ijp00325.jpg |
| Author | J. P. Iddings |
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| current | 17:16, 31 December 2009 | | 1,021 × 1,400 (906 KB) | Mike Cline (talk | contribs) | {{Information |Description={{en|1=Yellowstone National Park, Wyoming. Fossil tree trunks pilyoxylon aldersoni in Fossil Forest on Specimen Ridge. Two fine specimens of fossil trees exposed on a steep hillside by the erosion of the basic breccia in which r |
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