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

Bibliographic Details
Corporate Authors:	Geological Survey (U.S.) (Cartographer), Maryland. Tidewater Administration, Maryland Geological Survey
Format:	Government Document Map Serial
Language:	English
Published:	[Towson, Md.] : Department of the Interior, U.S. Geological Survey
Series:	U.S. Geological Survey open-file report.
Subjects:	Groundwater > Maryland, Southern > Maps. Aquifers > Maryland, Southern > Maps. Patapsco Aquifer > Maps. Aquifers. Groundwater. Maryland, Southern. United States > Patapsco Aquifer. Maps.
Online Access:	https://purl.fdlp.gov/GPO/gpo106243

Description
Published:	Began with 1990; ceased with 2009.
Item Description:	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.
Physical Description:	1 online resource (maps).
Publication Frequency:	Biennial, 2007-