Exploratory drilling in the Prairie du Chien group of the Wisconsin zinc-lead district by the U.S. Geological Survey in 1949-1950
Main Author: | Heyl, Allen V. 1918-2008. |
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Format: | Book |
Language: | English |
Published: |
[Washington],
[publisher not identified],
1951.
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Physical Description: |
i, 35 pages : illustrations, maps. ; 27 cm. |
Series: |
Geological Survey circular ;
131. |
Subjects: |
Item Description: |
"Selected bibliography": page 16. |
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Physical Description: |
i, 35 pages : illustrations, maps. ; 27 cm. |
Bibliography: |
"Selected bibliography": page 16. |