TY  - RPRT
TI  - Digital geologic map and database of the Chesapeake and Ohio Canal National Historical Park and Potomac River corridor, District of Columbia, Virginia, Maryland, and West Virginia
AU  - C. Scott Southworth
AU  - David K. Brezinski
AU  - Randall C. Orndorff
AU  - Peter G. Chirico
AU  - Kerry M. Lagueux
PY  - 2001
DO  - 10.3133/ofr01188a
UR  - https://pubs.usgs.gov/publication/ofr01188A
ID  - ofr01188A
ER  -