Spirit leveling in Illinois, 1914 to 1917, inclusive / work done in cooreration with the State Geological Survey of Illinois.
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| Main Author: | |
| Corporate Authors: | , |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
Govt. Print. Off,
1918.
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| Series: | Bulletin (Geological Survey (U.S.)) ;
no. 672. |
| Subjects: |
| Item Description: | At head of title: Department of Interior United States Geological Survey. No. 672-677 issued bound together. |
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| Physical Description: | 108 pages : illustrations ; 24 cm. |