Potentiometric surface of the upper Patapsco Aquifer in southern Maryland, September ...

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Bibliographic Details
Corporate author / creator:	Geological Survey (U.S.), cartographer.
Imprint:	[Towson, Md.] : Department of the Interior, U.S. Geological Survey
Description:	1 online resource (maps).
Language:	English
Series:	Open-file report U.S. Geological Survey open-file report.
Subject:	Groundwater -- Maryland, Southern -- Maps. Aquifers -- Maryland, Southern -- Maps. Aquifers. Groundwater. Patapsco Aquifer -- Maps. Maryland, Southern. United States -- Patapsco Aquifer. Maps. Maps.
Cartographic data:	Scale 1:250,000 (W 77°--W 76°/N 39°--N 38°).
Format:	E-Resource Map U.S. Federal Government Document
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/11664928

Hidden Bibliographic Details
Other authors / contributors:	Maryland. Tidewater Administration. Maryland Geological Survey.
Frequency:	Biennial, 2007- Annual, 1990-2003
Date / volume:	Began with 1990; ceased with 2009.
Notes:	Relief shown by contours and spot heights. "Base from USGS digital line graph, 1:250,000." Coordinates for map based on: 1990. Issued in color, 2007-2009. None published 1992 and 2004-2006. Description based on: 1990; title from PDF title page (USGS, viewed on July 23, 2018). Latest issue consulted: 2009 (viewed July 23, 2018).
Other form:	Microfiche version: Geological Survey (U.S.). Potentiometric surface of the upper Patapsco Aquifer in southern Maryland
GPO item no.:	0624-H (online)
Govt.docs classification:	I 19.76:P 27/2/

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