Geological and geophysical survey of fluorspar areas in Hardin County, Illinois.

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Bibliographic Details
Corporate Authors: Geological Survey (U.S.), Illinois State Geological Survey
Other Authors: Currier, L. W. (Louis Wade), 1890-1970, Wagner, Oscar Emil, Jr., 1906-1977, Hubbert, M. King (Marion King), 1903-1989
Format: Government Document Book
Language:English
Published: Washington : Govt. Print. Off., 1944.
Series:Bulletin (Geological Survey (U.S.)) ; no. 942.
Subjects:
Local Note:With: no. 941 of the series. Bound together subsequent to publication.