Map showing how the potentiometric surface of the Magothy Aquifer of August 1980 differed from the potentiometric surface of September 1977, in southern Maryland
Open-File Report
81-631
By: Frederick K. Mack Jr., J. C. Wheeler, and Stephen E. Curtin
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Abstract
The map is based on the differences between two sets of water-level measurements made in 65 observation wells. One set was made in 1977, a relatively dry year, and the other set was made in 1980, another relatively dry year. The map shows that the potentiometric surface was higher in 1980, by as much as 9 feet, than it was in 1977, in a band a few miles wide near the outcrop and subcrop areas of the aquifer in northern Prince Georges County and central Anne Arundel County. In the remainder of the map area, the 1980 potentiometric surface was lower than it had been in 1977, with declines as great as 20 feet measured in well fields at Waldorf and Chalk Point. The network of observation wells was developed and is operated and maintained as part of the cooperative program between the U.S. Geological Survey and agencies of the Maryland Department of Natural Resources. (USGS)
Suggested Citation
Mack, F.K., Wheeler, J.C., Curtin, S.E., 1982, Map showing how the potentiometric surface of the Magothy Aquifer of August 1980 differed from the potentiometric surface of September 1977, in southern Maryland: U.S. Geological Survey Open-File Report 81-631, 1 map ;23 x 18 cm., https://doi.org/10.3133/ofr81631.
ISSN: 2331-1258 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Map showing how the potentiometric surface of the Magothy Aquifer of August 1980 differed from the potentiometric surface of September 1977, in southern Maryland |
| Series title | Open-File Report |
| Series number | 81-631 |
| DOI | 10.3133/ofr81631 |
| Year Published | 1982 |
| Language | ENGLISH |
| Description | 1 map ;23 x 18 cm. |