File:Grand Canyon Supergroup with basalt dike in Hakatai Shale.JPG
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Grand_Canyon_Supergroup_with_basalt_dike_in_Hakatai_Shale.JPG (800 × 526 pixels, file size: 104 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 13:13, 6 September 2009 | 800 × 526 (104 KB) | commons>Mav | == Summary == {{Information |Description=See file name |Source=http://www.nature.nps.gov/geology/parks/grca/age/index.cfm |Date= |Author=National Park Service |Permission= |other_versions= }} == Licensing == {{PD-USGov}} [[categ |
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