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| Genre: | USGS Unnumbered Series |
| ProdID: | 70007449 |
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| Citation Language: | English |
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| Citation Phsyical Description: | v., 46 p., ill. map, 24 cm. |
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| Citation Publisher: | U.S. Geological Survey |
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| Citation Search Results Text: | The river and the rocks : the geologic story of Great Falls and the Potomac River Gorge; 1970; USGS Unnumbered Series; |
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| Citation Year: | 1970 |
| Type: | citation/reference |
| Text: | The river and the rocks : the geologic story of Great Falls and the Potomac River Gorge; 1970; USGS Unnumbered Series; |
| URL (THUMBNAIL): | http://pubs.usgs.gov/unnumbered/70007449/report-thumb.jpg |
| URL (INDEX PAGE): | http://www.nps.gov/history/history/online_books/grfa/index.htm |
| URL (DOCUMENT): | http://pubs.usgs.gov/unnumbered/70007449/report.pdf |
| Date Other: | Thu, 1 Jan 1970 17:45 -0600 |
| Publisher: | U.S. Geological Survey |
