TY  - RPRT
TI  - Map showing how the potentiometric surface of the Magothy Aquifer of August 1980 differed from the potentiometric surface of September 1977, in southern Maryland
AU  - Frederick K. Mack
AU  - J. C. Wheeler
AU  - Stephen E. Curtin
PY  - 1982
DO  - 10.3133/ofr81631
UR  - https://pubs.usgs.gov/publication/ofr81631
ID  - ofr81631
ER  -