Geological and geophysical survey of fluorspar areas in Hardin County, Illinois.
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| Corporate Authors: | , |
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| Other Authors: | , , |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
Govt. Print. Off.,
1944.
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| Series: | Bulletin (Geological Survey (U.S.)) ;
no. 942. |
| Subjects: | |
| Local Note: | With: no. 941 of the series. Bound together subsequent to publication. |
| Item Description: | At head of title: United States Department of the Interior, Geological Survey. As of 12/14/2015, GPO could not validate the distribution status of this title for the FDLP. "Prepared in cooperation with the State of Illinois Department of Registration and Education, State Geological Survey Division." Addendum: p. 71-72. |
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| Physical Description: | ix, 150 pages : illustrations, plates, maps (some folded, 2 in pocket), diagrams (some folded, 2 in pocket) ; 23 cm. |