THE ADVANTAGES AND NECESSITY OF A DEEP DRAIN TUNNEL FOR THE GREAT COMSTOCK LEDGE.
San Francisco: n.p., 1865. First edition. Paperback. Original printed wrappers, 8.5 x 5.5 inches, 30 pp. "The original prospectus for the famous Sutro Tunnel, which was constructed to drain water from the mines on the Comstock Lode." (Streeter catalog). Flake 1922 (for an 1876 edition); Streeter sale 2343. Rare in..... More