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Exploratory drilling in the Prairie du Chien group of the Wisconsin zinc-lead district by the U.S. Geological Survey in 1949-1950 / by Allen V. Heyl, Jr., Erwin J. Lyons, and Allen F. Agnew. ; prepared in cooperation with the Wisconsin Geological and Natural History Survey.
- Format:
- Book
- Government document
- Author/Creator:
- Heyl, Allen V. (Allen Van), 1918-2008, author.
- Agnew, Allen F., 1918-2012, author.
- Lyons, Erwin J., author.
- Series:
- Geological Survey circular ; 131.
- Geological Survey circular ; 131
- Language:
- English
- Subjects (All):
- Borings--Wisconsin.
- Borings.
- Lead ores--Wisconsin.
- Lead ores.
- Zinc ores--Wisconsin.
- Zinc ores.
- Wisconsin.
- Genre:
- Online resources.
- Physical Description:
- 1 online resource (i, 35 pages) : illustrations, maps.
- Place of Publication:
- Washington, D.C. : United States Department of the Interior, Geological Survey, 1951.
- Notes:
- Title from title screen (viewed July 15, 2015).
- "November 1951."
- Also available online in PDF format from the U.S. Geological Survey Warehouse (http://pubs.er.usgs.gov/).
- Includes bibliographical references (page 16).
- Electronic reproduction. [S.l.] : HathiTrust Digital Library, 2011.
- Other Format:
- Print version: Heyl, Allen V. (Allen Van), 1918-2008. Exploratory drilling in the Prairie du Chien group of the Wisconsin zinc-lead district by the U.S. Geological Survey in 1949-1950
- OCLC:
- 953258873
- Access Restriction:
- Use copy Restrictions unspecified
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