Galena Mining Conference
Northwestern Mine, Galena, IL, 1904-1913.. Early lead smelter, near Galena, IL, ca. 1850. Zinc miners riding the can down the mine shaft mine and date unknown. Mine map of the Shullsburg Unit, Eagle-Picher Co., Shullsburg, WI after Beck, USBM, 1964 Mechanized mining in the final days of the UMV District. mine and date unknown.