Some Engineering Problems Of The Panama Canal In Their Relation To Geology And Topography

PUBLICATIONS ON METHODS OF MINING. cO 00 PUBLICATIONS ON METHODS OF MINING. Limited editions of the following Bureau of Mines publications are temporarily available for free distribution. Requests for all publications can not be granted, and applicants should select o y those publications that are of especial interest to them. Al re- quests for publications should be addressed to the Director, Bureau of Mines, Washington, D. C. Bulletin 10. The use of permissible explosives, by J. J. Rutledge and Clarence “bull“™ Xtorive» for coal miners, by C. E. Munroe and Clarence Hall. 61 pp., 10 pls., 12 figs. Reprint of United States Geological Survey Bulletin 423 i Bulletin 45. Sand available for filling mine workings in the northern anthracite coal basin of Pennsylvania, by N. H. Darton. 1913. 33 pp., 8 pls., 5 figs. Bulletin 48. The selection of explosives used in engineering and mining operat o , by Clarence Hall and S. P. Howell. 1913. 50 pp., 3 pls., 7 figs. Bulletin 53. Mining and treatment of feldspar and kaolin m t le sou lern . pp lacliian region, by A. S. Watts. 1913. 170 pp., 16 pls., 12 figs. Bulls™ 60. Hydraulic mine filling; Ite use in the Pennsylvania anthracite fields, a preliminary report, by Charles Enzian. 1913. 77 pp., 3 pls., 12 hga. ■ Bulletin" 69 PCoal-mine accidents in the United States and foreign countries, compiled by F. W. Horton. 1913. 102 pp., 3 pls., 40 figs. Bulletin 75. Rules and regulations for metal mines, By W. R. Ingalls and otlie . 1915. 285 pp., 1 fig- . „ v, P p Bulletin 80. A primer on explosives for metal miners and quarryme , . ” & 1L™ *" ''l3ce"‘'c IIa11 ■ -I "SÏ, J” -- tions, by Victor Watteyne, Carl Meissner, and Arthur Desborough. - pp. P of United States Geological Survey Bulletin 369. Technical Paper 22. Electrical symbols for mine maps, by II. H. Clark. 11 pp., 8 figs. Technical 51 pp., 1 fig. Technical Paul. 1912. 16 pp. Technical Paper 30. D. E. Woodbridge. 1913. 38 pp., 9 figs Technical Paper 11. 1 district, Mo., a} Technical Paper 59. Fires in--- 34 pp., 2 pla. Technical Paper 84. by G. S. Rice and L. M. Jones. 1915 Technical Paper 95. Mining Wisconsin, by C. A. Wright. Technical Paper — S. P. Howell. 1915. 16 pp. Technical Paper 111. Safety in 5 pls., 4 figs. 1912. 1912. Paper 24. Mine fires, a preliminary study, by G. S. Rice. Paper 29. Training with mine rescue breathing apparatus, by Mine-accident prevention at Lake Superior iron min«, by Mining^and'treatment of lead and zinc ores in the Joplin preliminary report by C. A. Wright. 1913. 63pp.,5 »0* - in Lake Superior iron mines, by Edwin Higgins. 1. 3. Method, of preventing and limiting explosion» in coal mine«, _ 1915. 45 pp., 14 pls., 3 figs. . and milling of lead and zinc ores in the Joplin diatnc , 1915. 39 pp., 2 pls., 5 figs- , 100. Permissible explosives tested prior to March 1, 1915, y stone quarrying, by O. P. Bowles. 1915. 48 pp., J. W.