Investigation of the Critchfield manganese deposit, Huntingdon county, Pa.

Author: Kerns, W. H.
Additional Authors: Sanford, Robert S.
Year: 1948
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:4326
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 4326
Subject: Manganese--Pennsylvania--Bedford County
Link: https://hdl.handle.net/2027/mdp.39015078466854

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