File:Fig 48 Sketch map showing the areas of ripple marks.jpg
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Fig 48 Sketch map showing the areas of ripple marks
Summary[edit]
| Description |
English: Fig 48 Sketch map showing the areas of ripple marks |
| Date | |
| Source | Pepper, James F., Wallace De Witt, JR., and David F. Demarest; Geology of the Bedford Shale and Berea Sandstone in the Appalachian Basin; Geological Survey Professional Paper 259; United States Department of the Interior, Douglas McKay, Secretary; Geological Survey, W. E. Wrather, Director; United States Government Printing Office, Washington, D.C.; 1954 |
| Author | Pepper, James F., Wallace De Witt, JR., and David F. Demarest |
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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 21:34, 7 May 2021 | | 1,230 × 1,427 (198 KB) | Chris Light (talk | contribs) | Uploaded a work by Pepper, James F., Wallace De Witt, JR., and David F. Demarest from Pepper, James F., Wallace De Witt, JR., and David F. Demarest; Geology of the Bedford Shale and Berea Sandstone in the Appalachian Basin; Geological Survey Professional Paper 259; United States Department of the Interior, Douglas McKay, Secretary; Geological Survey, W. E. Wrather, Director; United States Government Printing Office, Washington, D.C.; 1954 with UploadWizard |
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