• Safety platform for men dumping cars 

        Author(s):Arthur Lakes Library; Russell L. and Lyn Wood Mining History Archive; United States. Bureau of Mines
        Date:1900?-1999?
        Two miners stand on a safety platform next to ore cars on rails underground in an Arizona copper mine. The Miami Copper Company began working the porphyry copper deposits in the Miami area in 1906. Miners from nearby Globe ...