Map size: 12 inches x 24 inches (60.96cm x 30.48cm) | Ready to frame in standard size frame (12x24) | Frame not included | Archival quality reproduction

Horizontal Section of the Comstock Lode at the Sutro Tunnel Level (1900 ft.) and below. Horizontal Section of the Lode. North End. United States Geological Survey. Geology of the Comstock Lode, &c. Atlas Sheet VIII. Mapping by R.H. Stretch. Geology by G.F. Becker, Geologist in, Charge. Julius Bien & Co. Lith. N.Y., Department Of The Interior, United States Geological Survey, Clarence King Director. Atlas To Accompany The Monograph On The Geology Of The Comstock Lode And The Washoe District By George F. Becker. Washington 1882. Julius Bien & Co. Lith. New York.