TY  - RPRT
TI  - Geologic framework, hydrogeology, and ground-water quality of the Potomac Group aquifer system, northwestern Charles County, Maryland
AU  - Steven N. Hiortdahl
PY  - 1997
DO  - 10.3133/wri914059
UR  - https://pubs.usgs.gov/publication/wri914059
ID  - wri914059
ER  -