Geologic map of the Clarksville South and Tungsten 7.5-minute quadrangles, Virginia and North Carolina / U.S. Department of the Interior, U.S. Geological Survey ; by John D. Peper, Timothy W. Clark, and Kraig A. Kanahele
Series Titles:
Miscellaneous investigations series ; map I-2471 Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-2471.
Variant Titles:
Clarksville South and Tungsten 7.5-minute quadrangles, Virginia and North Carolina, geologic map