TY - RPRT TI - Reconnaissance geologic map of the Clarksville North and Boydton 7.5-minute quadrangles, Mecklenburg and Charlotte counties, Virginia AU - J. D. Peper AU - A.W. Wygant PY - 1997 DO - 10.3133/ofr97524 UR - https://pubs.usgs.gov/publication/ofr97524 ID - ofr97524 ER -