Investigation of the Dubois fluorite property, Hardin County, Ill.

Author: Swanson, Arthur S.
Year: 1948
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:4315
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 4315
Subject: Fluorite deposits--Illinois--Hardin County
Link: https://hdl.handle.net/2027/mdp.39015078480202

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