The river and the rocks : the geologic story of Great Falls and the Potomac River Gorge

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Abstract

Publication type Report
Publication Subtype USGS Unnumbered Series
Title The river and the rocks : the geologic story of Great Falls and the Potomac River Gorge
DOI 10.3133/70007449
Year Published 1970
Language English
Publisher U.S. Geological Survey
Description v., 46 p., ill. map, 24 cm.
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