Fine-grained molding sand resources of northern Illinois ; a preliminary investigation /
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Series: | Report of investigations (Illinois State Geological Survey) ;
no. 57. |
| Subjects: |
| Item Description: | At head of title: State of Illinois. Department of Registration and Education. Division of the State Geological Survey. |
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| Physical Description: | 53 pages : illustrations |
| Bibliography: | Bibliographical footnotes. |