National Geologic Map Database
Product Description Page
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Title: The geologic story of Great Falls and the Potomac River Gorge
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Author(s): Reed, J.C., Sigafoos, R.S., and Fisher, G.W.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Bulletin 1471
- Publication Date: 1980
- Map Scale: 1:21,500
- Cross Section: Yes
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.