TY  - RPRT
TI  - The difference between the potentiometric surfaces of the Aquia Aquifer of September 1982 and September 1990 in southern Maryland
AU  - Frederick K. Mack
AU  - S. E. Curtin
AU  - D. C. Andreasen
AU  - J. C. Wheeler
PY  - 1992
DO  - 10.3133/ofr92463
UR  - https://pubs.usgs.gov/publication/ofr92463
ID  - ofr92463
ER  -