File:NPS co-canal-billy-goat-trail-geologic-map.jpg
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Size of this preview: 506 × 599 pixels. Other resolutions: 203 × 240 pixels | 405 × 480 pixels | 648 × 768 pixels | 864 × 1,024 pixels | 1,869 × 2,214 pixels.
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Summary[edit]
| Description |
English: Geologic map of the Great Falls area, focusing on the park lands in and around Great Falls, MD. This area has the most interesting geology of the Potomac, these are some very old rocks! |
| Date | |
| Source | U.S. National Park Service (http://npmaps.com/wp-content/uploads/co-canal-billy-goat-trail-geologic-map.jpg) |
| Author | U.S. National Park Service, restoration/cleanup by Matt Holly |
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This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information. |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:45, 16 May 2017 | | 1,869 × 2,214 (724 KB) | RKBot (talk | contribs) | =={{int:filedesc}}== {{Information |description= {{en|1=Geologic map of the Great Falls area, focusing on the park lands in and around Great Falls, MD. This area has the most interesting geology of the Potomac, these are some very old rocks!}} |date= 2... |
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