Manganese deposits of northeastern Oregon

Author: Appling, Richard N.,
Year: 1959
Document Type: BMRA
Issuing Agency: United States. Bureau of Mines,
SUDOC: I 28.23:5472
Series: Report of investigations / United States. Bureau of Mines ;
Report Number: 5472
Subject: Manganese ores--Oregon
Link: https://hdl.handle.net/2027/mdp.39015078466441

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