TY  - RPRT
TI  - Geologic map of the Potomac River gorge, Great Falls Park, Virginia, and part of the C&O Canal National Historical Park, Maryland
AU  - Scott Southworth
AU  - Carrie Fingeret
AU  - Thomas Weik
PY  - 2000
DO  - 10.3133/ofr00264
UR  - https://pubs.usgs.gov/publication/ofr00264
ID  - ofr00264
ER  -