TY  - RPRT
TI  - The difference between the potentiometric surfaces of the Magothy aquifer of September 1975 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/ofr92464
UR  - https://pubs.usgs.gov/publication/ofr92464
ID  - ofr92464
ER  -