@misc{indiciae960a018b0e35, title = {Preliminary geologic map of the Stanardsville 7.5' quadrangle, Greene and Madison Counties, Virginia}, author = {William C. Burton and Christopher M. Bailey and E. Allen Crider}, year = {2012}, doi = {10.3133/ofr20121190}, url = {https://pubs.usgs.gov/publication/ofr20121190}, note = {Source identifier: ofr20121190} }