01099cam a22002771 4500 gs 42000222 DLC 20260227111348.0 790618s1942 xx 000 0 eng c gs 42000222 (OCoLC)5080908 U.S. Geol. survey. Library OCl DLC premarc TN27 .B72 no. 15 622.061711 s Holland, Stuart S. Hydraulic mining methods, compiled by Stuart S. Holland. Victoria, B.C., Photo-offset by C.F. Banfield, printer to the King, 1942. 1 p. l., v, 76 p. incl. illus. (incl. plans, diagr.) tables. plates. 27 cm. British Columbia. Dept. of mines. Bulletin no. 15 At head of title: British Columbia Dept. of mines ... Herbert Anscomb, minister, John F. Walker, deputy minister. This Bulletin is in large part a reprint from United States Bureau of mines Information circular 6787. Bibliography: p. 76. Hydraulic mining. Gold mines and mining. 27814 27814