Geological and geophysical survey of fluorspar areas in Hardin County, Illinois.
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Imprint: | [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1944. Washington : United States Government Printing Office |
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Description: | 1 online resource (ix, 150 pages, 24 pages of plates) : illustrations, maps. |
Language: | English |
Series: | Bulletin / United States Department of the Interior, Geological Survey ; 942 Bulletin (Geological Survey (U.S.)) ; no. 942. |
Subject: | |
Format: | E-Resource U.S. Federal Government Document Book |
URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/10756173 |