TY  - RPRT
TI  - Preliminary bedrock geologic map of the Wightman 7.5' Quadrangle, Virginia
AU  - W.C. Burton
PY  - 1993
DO  - 10.3133/ofr93614
UR  - https://pubs.usgs.gov/publication/ofr93614
ID  - ofr93614
ER  -