TY  - RPRT
TI  - Potentiometric Surface of the Upper Patapsco Aquifer in Southern Maryland, September 2007
AU  - Stephen E. Curtin
AU  - David C. Andreasen
AU  - Andrew W. Staley
PY  - 2009
DO  - 10.3133/ofr20091084
UR  - https://pubs.usgs.gov/publication/ofr20091084
ID  - ofr20091084
ER  -