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Geology of the National Capital Region : field trip guidebook / edited by Scott Southworth and William Burton.
Web resource
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2004.
2004
1 resource
Available online
Landslides of eastern North America : papers presented at a Southeastern Section, Geological Society of America symposium, March 26, 1987 / Arthur P. Schultz and C. Scott Southworth, editors.
Web resource
[Reston, Virginia] : Department of the Interior, U.S. Geological Survey, 1987.
1987
1 resource