Potentiometric surface of the Aquia aquifer in southern Maryland, September 1989 / by Frederick K. Mack [and three others].
- Physical Description: 1 online resource (1 map).
- Publisher: Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1991.
Relief shown by contours and spot heights.
"Prepared in cooperation with Maryland Geological Survey and Maryland Tidewater Administration."
|Source of Description Note:||
Description based on online resource; title from PDF title page (USGS, viewed Aug. 7, 2020).
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|Subject:||Groundwater > Maryland > Maps.
Aquifers > Maryland > Maps.