TY  - RPRT
TI  - Preliminary geology of the Richardsville and a portion of the Midland quadrangles, Fauquier, Culpeper, and Stafford Counties, Virginia
AU  - Karen Wier
PY  - 1977
DO  - 10.3133/ofr77699
UR  - https://pubs.usgs.gov/publication/ofr77699
ID  - ofr77699
ER  -