2007-01-032022-02-032007-01-032022-02-03https://hdl.handle.net/11124/10212Looking west in Filter Plant at oliver filters in operation. Mar. 12, 1942--Verso.Date scanned: 2001-03-07.Identifier: NMHFM-47.Unmounted; text on verso.Held in the National Mining Hall of Fame and Museum.Photograph of the Morenci Mine Filter Plant showing the oliver filters in operation.Rights management statement available at: http://library.mines.edu/digital/rights.htmlPhelps Dodge CorporationCopper ore processing plantsMineral processingStillImage