Some geological relations between the constitution of soil materials and highway construction /
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| Format: | Book |
| Language: | English |
| Series: | Report of investigations (Illinois State Geological Survey) ;
no. 42. |
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| Item Description: | At head of title: State of Illinois. Department of registration and education. Division of the State geological survey. "Presented at the Twenty-eighth annual meeting of the Mississippi valley conference of state highway departments, Chicago, February 7, 1936." |
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| Physical Description: | 16 pages : illustrations |