Geological and geophysical survey of fluorspar areas in Hardin County, Illinois.
Currier, Louis Wade,1890-
Wagner, Oscar Emil,1906-
Hubbert, Marion King,1903-
Illinois State Geological Survey.
Washington, U.S. Govt. Print. Off.,
1944.
"Prepared in cooperation with the state of Illinois Dept. of registration and education, State geological survey division."
Addendum: p. 71-72.
Bibliographical foot-notes.
Part 1. Geology of the Cave in Rock district / by L.W. Currier with the collaboration of O.E. Wagner. -- Part 2. An exploratory study of faults in the Cave in Rock and Rosiclare districts by the earth-resistivity method / by M. King Hubbert.
Geology
Geophysics.
Fluorspar.