Fluorite on the Lee Mine property, Hardin County, Illinois

Author: Bishop, O. M.
Year: 1947
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:3996
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 3996
Subject: Fluorspar--Illinois--Hardin County
Link: https://hdl.handle.net/2027/mdp.39015078503755

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