Petersen, Max S.2007-01-032022-02-032007-01-032022-02-03https://hdl.handle.net/11124/6359USBM #62984; "Flipper", used to load concentrate into railroad box cars. Concentrate drops from chute onto fast moving belt and is thrown into car. - M. S. Petersen - March 1946.Held in the Russell L. and Lyn Wood Mining History Archive, Arthur Lakes Library, Colorado School of Mines.Donor: United States Bureau of Mines.Date scanned: 2002-6-12.Rights management statement available at: http://library.mines.edu/digital/rights.htmlMiningOre handling and transportationStillImage