Petersen, Max S.2007-01-032022-02-032007-01-032022-02-03https://hdl.handle.net/11124/9661Date scanned: 2002-05-17.USBM #58418; Sinking bucket dumping in car. 300th level of Central Mine, Calumet & Hecla Consolidated Copper Company, Calumet, Houghton County, Michigan. Jan. 1945 / M.S.P.Held in the Russell L. and Lyn Wood Mining History Archive, Arthur Lakes Library, Colorado School of Mines.Donor: United States Bureau of Mines.Three miners dump a bucket's contents into a railed car underground at the Central Mine. The Central Mine in the town of Central, Keweenaw County, Michigan was opened in 1854 on a prehistoric copper mining site. The Mine was a major copper producer until it closed in 1898. It was operated by the Calumet & Hecla Consolidated Copper Company. The Company, based in Calumet, was formed by a merger of two mining companies in 1871 to become one of the largest copper producers in the US. The Company's operations in the Keweenaw Peninsula ceased with a major labor dispute in 1969.Rights management statement available at: http://library.mines.edu/digital/rights.htmlCalumet and Hecla Consolidated Copper CompanyCopper mines and miningMinersOre handling and transportationScenes, undergroundUnderground miningStillImage