Potentiometric surface of the Aquia aquifer in southern Maryland, September 1989 /

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Bibliographic Details
Corporate author / creator:	Geological Survey (U.S.), cartographer.
Imprint:	Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1991.
Description:	1 online resource (1 map).
Language:	English
Series:	Water-resources investigations report ; 91-4094 Water-resources investigations report ; 91-4094.
Subject:	Groundwater -- Maryland -- Maps. Aquifers -- Maryland -- Maps. Aquifers. Groundwater. Maryland. Maps.
Cartographic data:	Scale approximately1:640,000 (W 77°00ʹ--W 76°00ʹ/N 39°10ʹ--N 38°00ʹ).
Format:	E-Resource Map U.S. Federal Government Document
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/12381071

Hidden Bibliographic Details
Other authors / contributors:	Mack, Frederick K., author. Maryland Geological Survey. Maryland. Tidewater Administration.
Notes:	Relief shown by contours and spot heights. "Prepared in cooperation with Maryland Geological Survey and Maryland Tidewater Administration." Description based on online resource; title from PDF title page (USGS, viewed Aug. 7, 2020).
Other form:	Print version: Potentiometric surface of the Aquia aquifer in southern Maryland, September 1989
GPO item no.:	0624-B-05 (online)
Govt.docs classification:	I 19.42/4:91-4094

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