Operation of the Illinois State Geological Survey /
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
[Urbana, Ill.],
[publisher not identified] ;
[1946]
|
| Series: | Circular (Illinois State Geological Survey) ;
126. |
| Subjects: |
| Physical Description: | 49 pages, 1 unnumbered page including illustrations, maps, diagrams |
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