San Francisco: n.p., 1865. First edition. Paperback. Original printed wrappers, 8.5 x 5.5 inches, 30 pp. MInor staining to wrappers, chip to lower right corner of front wrapper, paper separating at bottom of spine, presentable and near very good. Item #23737
"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 commerce. The 1968 Streeter sale is the only auction record for this pamphlet. OCOC/Worldcat locates 17 copies.