Zen, E-An (Zen, E-An)
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Channel Geometry and Strath Levels of the Potomac River between Great Falls, Maryland and Hampshire, West Virginia: USGS Open-File Report 97-480
ISBN 9781288798506
Paperback, BiblioGov, 2013
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Rocks and War: Geology and the Civil War Campaign of Second Manassas
ISBN 9781572491977
Paperback, White Mane Pub, 2000
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The Seven-Story River: Geomorphology of the Potomac River Channel between Blockhouse Point, Maryland, and Georgetown, District of Columbia, with ... Great Falls: USGS Open-File Report 97-60
ISBN 9781288798544
Paperback, BiblioGov, 2013
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The Taconide zone and the Taconic orogeny in the western part of the northern Appalachian orogen
ISBN 9780813721354
Paperback, Geological Society of America, 1972
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