Geology of the fluorspar deposits of Illinois
By: by Marvin Weller, Robert M. Grogan, and Frank E. Tippie; with contributions by L.E. Workman and A.H. Sutton
Contributors: Grogan, Robert Mann, 1912- author; Tippie, Frank Emerson, author
Series: Illinois State Geological Survey. Bulletin -- no. 76; Bulletin (Illinois State Geological Survey) -- no. 76.
Publisher: State Geological Survey
Published: 1952
Place of publication: Urbana
Language: eng
Number of pages: 147
Subjects: Fluorspar; Geology
Notes: Includes bibliographical references.