TY  - RPRT
TI  - Geologic Map of Loudoun County, Virginia
AU  - Scott Southworth
AU  - William C. Burton
AU  - J. Stephen Schindler
AU  - Albert J. Froelich
PY  - 2006
DO  - 10.3133/i2553
UR  - https://pubs.usgs.gov/publication/i2553
ID  - i2553
ER  -