TY  - RPRT
TI  - The difference between the potentiometric surfaces of the lower Patapsco aquifer, September 1990 and September 2001 in southern Maryland
AU  - Stephen E. Curtin
AU  - David C. Andreasen
AU  - Judith C. Wheeler
PY  - 2002
DO  - 10.3133/ofr2002449
UR  - https://pubs.usgs.gov/publication/ofr2002449
ID  - ofr2002449
ER  -