Bedrock-surface altitude in the midwestern basins and arches region of Indiana, Ohio, Michigan, and Illinois /

Bibliographic Details
Corporate Authors:	Geological Survey (U.S.) (Cartographer), National Regional Aquifer Systems Analysis Program (U.S.)
Other Authors:	Bunner, Danny W., Jr (Cartographer)
Format:	Government Document Map
Language:	English
Published:	Columbus, Ohio : U.S. Department of the Interior, U.S. Geological Survey, 1993.
Series:	Water-resources investigations report ; 93-4050.
Subjects:	Geology, Structural > Middle West > Maps. Aquifers > Middle West > Maps. Geology, Structural. Middle West. Maps.
Online Access:	https://purl.fdlp.gov/GPO/gpo142978

Description
Item Description:	Includes text, 1 chart, and 2 location maps.
Physical Description:	1 online resource (1 map).
Bibliography:	Includes bibliographical references.