Selected bibliography and map of manganese deposits of the United States by districts

Author: Healey, M. V.
Year: 1930
Document Type: MAIN
Issuing Agency: U.S. Dept. of Commerce, Bureau of Mines,
SUDOC: C 22.11:6274
Series: Information circular ;
Report Number: 6274
Subject: Manganese ores--United States
Link: https://hdl.handle.net/2027/mdp.39015095083674

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