Potentiometric surface maps of the Sparta Sand ; northern Louisiana and southern Arkansas,1900, 1965, 1975, and 1980 /

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Bibliographic Details
Corporate author / creator:	Geological Survey (U.S.), cartographer.
Imprint:	[Reston, Va.] : Department of the Interior, United States Geological Survey, 1981.
Description:	1 online resource (1 map).
Language:	English
Series:	Open-file report ; 80-1180 Open-file report (Geological Survey (U.S.)) ; 80-1180.
Subject:	Groundwater -- Arkansas -- Maps. Groundwater -- Louisiana -- Maps. Aquifers -- Arkansas -- Maps. Aquifers -- Louisiana -- Maps. Groundwater. Louisiana. Maps.
Cartographic data:	Scale approximately 1:500,000 (W 93°45ʹ--W 91°45ʹ/N 33°30ʹ--N 31°30ʹ).
Format:	E-Resource Map U.S. Federal Government Document
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/12317704

Hidden Bibliographic Details
Varying Form of Title:	Title from HTML index page: Potentiometric maps of the Sparta Sand ; northern Louisiana and southern Arkansas, 1900, 1965, 1975, and 1980
Other authors / contributors:	Ryals, G. N., cartographer.
Notes:	Relief shown by contours and spot heights. Includes location map and 3 ancillary maps. Description based on online resource; title from PDF title page (USGS, viewed May 29, 2020).
Other form:	Print version: Ryals, G. N. Potentiometric surface maps of the Sparta Sand ; northern Louisiana and southern Arkansas
GPO item no.:	0624-H (online)
Govt.docs classification:	I 19.76:80-1180

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