TY - RPRT TI - Preliminary geologic map of the Stanardsville 7.5' quadrangle, Greene and Madison Counties, Virginia AU - William C. Burton AU - Christopher M. Bailey AU - E. Allen Crider PY - 2012 DO - 10.3133/ofr20121190 UR - https://pubs.usgs.gov/publication/ofr20121190 ID - ofr20121190 ER -