A pair of books about the Sutro Tunnel in Nevada, includes: "Sutro Tunnel," first edition, pub. M'Gill & Witherow Printers and Stereotypers, in 1872. Title page reads: "Report of the Commissioners and Evidence taken by The Committee on Mines and Mining of the House of Representatives of the United States, in regard to The Sutro Tunnel, together with the Arguments and Report of the Committee, recommending a Loan by the Government in aid of the construction of said work." 987 pp., hardback, gold gilt vignette of miner holding pick axes, blue cloth with clear plastic cover, some staining on pages, 6" x 9"; And, "Sutro Tunnel," by Theodore Sutro, first edition, copyright 1887 by Theodore Sutro. Title page reads: "The Sutro Tunnel Company and The Sutro Tunnel, property, income, prospects and pending litigation, Report to the Stockholders by Theodore Sutro, attorney, counsellor, etc., for Sutro Tunnel Company, New York, July 1887. 198 pp., includes a map, hardback, gold gilt on red cloth, minimal wear for age, some staining on pages, 5 x 7 in. Nevada