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  Partner: UNT Libraries Government Documents Department
 Resource Type: Book
 State: Michigan
 Serial/Series Title: Technical paper (United States. Bureau of Mines)
 Collection: Technical Report Archive and Image Library
Natural Ventilation of Michigan Copper Mines

Natural Ventilation of Michigan Copper Mines

Date: 1932
Creator: McElroy, G. E.
Description: Technical paper issued by the Bureau of Mines over the ventilation of copper mines in Michigan. Natural ventilation of the mines and mining conditions are discussed. This report includes tables, maps, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department