OCR Text |
Show NEW PUBLICATIONS BY BUREAU OF MINES Tho United State bureau of mines, department de-partment of the interior, haa Juat laouod new publications aa follows: BULLETIN'S. Bulletin 68 Fucl-brlcjuctttng Investigations. Investiga-tions. July, 1904 to July, 191- by C I. Wright. 1913. 277 pp., 21 pis., 3 figs. Bulletin 60 Hydraulic mlno lllllng; lta uso in tho Pennsylvania nntlirucito llelda; a prollmlnarj" report, by Charlei Enzla'n. 1913. 73 pp.. 9 pis., 11 XIsb. TECHNICAL, PA.1JERS. Tochnlcal papr 39 Tho Inflammable gaaca in mine air. by G. A. .Burrell and k'. AL Sclbort 19U1. 24 Dp., 2 flga. Technical paper US Tho action of acid mino water on the insulation of electrical conductors; a preliminary roport. by H. H. Clark and L. C. llsloy. 1113. 2G pp., 1 flr. Technical papor 01 Metal-mlno aocl-donta aocl-donta In tho United States during tho calendar year 1912, complied by A. E Fay. 1913. 78 pp.. 1 lis. Technical paper UG Mud-laden, fluid applied ap-plied to well drilling, by J. M. Pollard and A. O. Hoggeni. HH. 78 pp., 12 lljin. The bureau of mines has copies of theso publications for freo distribution, but can not givo more than ono copy of the same bulletin to ono person Requcats for all papers cannot bo granted without satisfactory satis-factory reason. In uaklng for publications, ploaoo order them by number and title. Applications should bo addressed to tho Dlroctor of tho Bureau of iMlnes, Washington, Wash-ington, D. C |