Geological aspects of prospecting : and areas for prospecting in the zinc-lead district of northwestern Illinois /
| Main Author: | |
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| Other Authors: | , |
| Format: | Book |
| Language: | English |
| Published: |
Urbana, Ill.,
[publisher not identified] ;
1946.
|
| Series: | Report of investigations (Illinois State Geological Survey) ;
no. 116. |
| Subjects: |
| Item Description: | At head of title: State of Illinois. Dept. of registration and education. Division of the State geological survey. The folded maps are in pocket. |
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| Physical Description: | 48 pages : illustrations |