Cross-Section of Bunker Hill Mine workings, looking northeast at 054 azimuth. Red shapes are historic stopes on zinc-dominant mineralization along west-northwest Bluebird Vein system. Magenta shapes are northeast oriented Galena-Quartz Vein system with historic high-grade silver production
Cross-Section of Bunker Hill Mine workings, looking northeast at 054 azimuth. Red shapes are historic stopes on zinc-dominant mineralization along west-northwest Bluebird Vein system. Magenta shapes are northeast oriented Galena-Quartz Vein system with historic high-grade silver production