TY  - RPRT
TI  - Potentiometric surface of the upper Patapsco aquifer in southern Maryland, September - October 1996
AU  - Stephen E. Curtin
AU  - D. C. Andreasen
AU  - Frederick K. Mack
PY  - 1997
DO  - 10.3133/ofr97790
UR  - https://pubs.usgs.gov/publication/ofr97790
ID  - ofr97790
ER  -