TY  - RPRT
TI  - Geologic map of the Arcola Quadrangle, Loudoun and Fairfax counties, Virginia
AU  - K. Y. Lee
PY  - 1978
DO  - 10.3133/mf973
UR  - https://pubs.usgs.gov/publication/mf973
ID  - mf973
ER  -