Cover Image

Exploratory drilling in the Prairie du Chien group of the Wisconsin zinc-lead district by the U.S. Geological Survey in 1949-1950 /

Bibliographic Details
Main Authors: Heyl, Allen V. (Allen Van), 1918-2008 (Author), Agnew, Allen F., 1918-2012 (Author), Lyons, Erwin J. (Author)
Corporate Author: Wisconsin Geological and Natural History Survey
Format: Government Document eBook
Language:English
Published: Washington, D.C. : United States Department of the Interior, Geological Survey, 1951.
Series:Geological Survey circular ; 131.
Subjects:
Borings > Wisconsin.
Lead ores > Wisconsin.
Zinc ores > Wisconsin.
Borings.
Lead ores.
Zinc ores.
Wisconsin.
Online Access:https://purl.fdlp.gov/GPO/gpo112504
Description
Item Description:"November 1951."
Physical Description:1 online resource (i, 35 pages) : illustrations, maps.
Bibliography:Includes bibliographical references (page 16).