• Zenith Mine, drilling 

        Author(s):Arthur Lakes Library; Russell L. and Lyn Wood Mining History Archive; United States. Bureau of Mines
        Date:1930?-1939?
        The image shows two miners drilling in preparation for blasting. The Zenith Mine in the Vermillion Range near Ely, Minnesota was opened in 1892 by the Minnesota Iron Company. The Mine was later operated by Pickands, Mather ...