Feldspar in Illinois sands, a study of resources /
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Urbana, Illinois,
[publisher not identified] ;
1942.
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| Series: | Report of investigations (Illinois State Geological Survey) ;
no. 79. |
| Subjects: |
| Item Description: | At head of title: State of Illinois, Dwight H. Green, Governor. Dept. of Registration and Education, Frank G. Thompson, Director. Division of the State Geological Survey, M. M. Leighton, Chief, Urbana. |
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| Physical Description: | 87 pages : illustrations |