TY  - RPRT
TI  - Detailed sections from auger holes in the Bowling Green, Penola, Sparta, and Supply quadrangles, Virginia
AU  - R. E. Weems
AU  - D.S. Powars
AU  - A.M. Clark
PY  - 1993
DO  - 10.3133/ofr93581
UR  - https://pubs.usgs.gov/publication/ofr93581
ID  - ofr93581
ER  -