TY  - RPRT
TI  - The difference between the potentiometric surfaces of the Aquia Aquifer of September 1982 and September 1993 in southern Maryland
AU  - Stephen E. Curtin
AU  - Frederick K. Mack
AU  - D. C. Andreasen
PY  - 1994
DO  - 10.3133/ofr94394
UR  - https://pubs.usgs.gov/publication/ofr94394
ID  - ofr94394
ER  -