Summary of ground-water hydrology of the Cambrian-Ordovician aquifer system in the northern Midwest, United States /

Bibliographic Details
Main Author:	Young, H. L. (Author)
Format:	Government Document eBook
Language:	English
Published:	Washington : U.S. Department of the Interior, U.S. Geological Survey, 1992.
Series:	U.S. Geological Survey professional paper ; 1405. Regional aquifer-system analysis--northern Midwest.
Subjects:	Groundwater > Middle West. Aquifers > Middle West. Geology, Stratigraphic > Cambrian. Geology, Stratigraphic > Ordovician. Aquifers. Cambrian Geologic Period. Geology, Stratigraphic. Groundwater. Ordovician Geologic Period. Middle West. From 425 to 570 million years ago
Online Access:	https://purl.fdlp.gov/GPO/gpo93886

Description
Physical Description:	1 online resource (vi, A55 pages) : illustrations (some color), color maps.
Bibliography:	Includes bibliographical references (pages A52-A55).