2007-01-032022-02-032007-01-032022-02-03https://hdl.handle.net/11124/10042General view of ball mill and classifier section in Morenci Concentrator. Looking East. Mar. 13, 1942--Verso.Date scanned: 2001-03-07.Identifier: NMHFM-37.Related photographs: NMHFM-34, NMHFM-36, NMHFM-38, NMHFM-39, NMHFM-40, NMHFM-41, NMHFM-42, NMHFM-43, NMHFM-46.Unmounted; text on verso.Held in the National Mining Hall of Fame and Museum.Photograph of the Morenci Concentrator showing the ball mill and classifier section.Rights management statement available at: http://library.mines.edu/digital/rights.htmlPhelps Dodge CorporationCopper ore processing plantsMineral processingStillImage