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Jan 1, 1933

Jan 1, 1951

Jan 1, 1952

Jan 1, 1955

Jan 1, 1914

Belting worth thousands of dollars can be ruined in a few minutes because of careless maintenance or lack of maintenance. Proper belt conveyor maintenance means having a clean conveyor system at all times. The belt line should be visually inspected during each shift. Equipped with proper maintenance instructions, one belt man can patrol a belt line of 2 to 3 km (1.5 to 2 miles). His duties would be to lubricate drives and idlers (except sealed-for- life type), maintain belt and conveyor frame alignment, detect sticking idlers, and maintain an unobstructed right-of-way.

Jan 3, 1978

Among the bills now pending in Congress is one to authorize exploration for and disposition of coal, phosphate, sodium, oil, oil shale, and gas on, public domain. One, to provide protection and government revenue for potash and for zinc ores and products. One to prevent withdrawal of mineral lands from entry and occupancy by law, also to promote, production of quicksilver, tungsten, sulfate, pyrites, and sulfur, and of manganese and manganiferous ores. Three resolutions have been introduced to suspend requirements of annual assessment work on mining claims during year 1919 and one to relieve owners of mining claims mustered into military service.

Jan 8, 1919

United Engineering Trustees, Inc C E Reistle, Jr (to Oct '55), A B Kinzel, '56, Andrew Fletcher, '57, Philip Kraft (from Oct '55 to '59) The Engineering Foundation W M Peirce, '56, A M Gaudin, '58 Engineering Societies Library Board Frank T Sisco, '58, C H Behre, Jr Engineering Societies Personnel Service Board of Directors E J Kennedy, Jr, E H Robie Advisory Committee, Milwaukee F T Agthe Special Survey Committee C M Cooley American Standards Association Mining Standards Board E R Borcherdt, '55, Otto Herres, '55, J K Richardson, '56, E W Bullard, '56, Alternate

Jan 1, 1955

Organization Place Date 1917 Electric Power Club Hot Springs, Va. June 11-14 Society for the Promotion of Engineering Edu¬ cation Evansville,Ind. June 19-22 American Institute of Chemical Engineers Buffalo, N. Y, June 20-22 American Institute of Electrical Engineers Hot Springs, Va. June 25 American Society for Testing Materials Atlantic City, N. J. June 26-30 Mine Inspectors Institute of U. S. A. Indianapolis Ind. July 9-11 National Association of Stationary Engineers... Evansville, Ind. Sept. 10-15 National Exposition of Safety and, Sanitation .. New York City Sept. 10-15 American Iron, Steel & Electrical Engineers.... Philadelphia, Pa. Sept. 10-14

Jan 6, 1917

CURRENT MATTERS Page Page New York Meeting, Feb., 1918 .... v 1918 Dues xxvii Meeting of Board of Directors.... vii Members in Military Service .... xxvii Resolution on Manganese viii Personal xxix Special Mission of British Minis- Positions Vacant xxx try of Munitions viii Engineers Available xxxi War Committee of Technical Forthcoming Meetings xxxii Societies ix Advertising Section Remodeled.. xxxiii Local Section News ix Library xxxiv Affiliated Student Societies xx Membership xxxviii The Women's Auxiliary xxi Biographical Notice of W. T. Hall lv Other Societies xxiii Institute Committees lvi Engineering Symbols ... xxvi Officers and Directors lxiv General Index xxvii

Jan 1, 1918

IRON AND STEEL COMMITTEE ALBERT SAUVEUR, Chairman A. A. STEVENSON, Vice-Chairman HERBERT M. BOYLSTON, Secretary, Abbot Bldg., Cambridge,- Mass. Guilliaem Aertsen, Robert W. Hunt, E. Gybbon Spilsbury, John Birkinbine, J. E. Johnson, Jr., J. S. Unger, William H. Blauvelt, Charles Kirchhoff, Felix A. Vogel, Charles A. Buck, Richard Moldenke, Leonard Waldo, F. D. Carney, Charles F. Rand, William R. Walker, James Gayley, Joseph W. Richards, William R. Webster, Henry D. Hibbard, . C. F. W. Rys, . Frederick W. Wood. Henry M. Howe, Messrs. Guilliaem Aertsen, C. A. Buck, and F. D. Carney have accepted membership on the Committee.

Jan 3, 1914

[Univ. of Atabama-University, Alabama-Mining and Metallurgical Society. William L. Mason, Faculty Sponsor; E. C. Wright, Dept. Head. Univ. of Alaska-College, Alaska-Mining Society of the Univ. of Alaska. Douglas W. Huber, Faculty Sponsor; E. H. Beistline, Mining & Metallurgy Dept. Head; Troy L. Pewe, Geology Dept. Head; James Crawford, Chapter Counselor. Univ. of Arizona-Tucson, Arizona-Miners Society. Wiltard C. Lacy, Faculty Sponsor; J. D. Forrester, Mining & Metallurgy Dept. Head; F. W. Galbraith, Geology Dept. Head. Univ. of Catifornia-Berkeley, California-Mineral Technology Association. H. E. Hawkes; Faculty Sponsor; Joseph A: Pask, Dept. Head.]

Jan 1, 1961

Univ of Alabama-University, Alabama-Mining and Metallurgical Society William L Mason, Faculty Sponsor, E C Wright, Dept Head Univ of Alaska-College, Alaska-Mining Society of the Univ of Alaska Douglas W Huber, Faculty Sponsor, E H Beistline, Mining & Metallurgy Dept Head, Troy L Pewe, Geology Dept Head, James Crawford, Chapter Counselor Univ of Arizona-Tucson, Arizona-Miners Society Willard C Lacy, Faculty Sponsor, J D Forrester, Mining & Metallurgy Dept Head, F W Galbraith, Geology Dept Head Univ of California-Berkeley, California-Mineral Technology Association H E Hawkes, Faculty Sponsor, Joseph A Pask, Dept Head

Jan 1, 1959

No. 576.-Graduate mining engineer, married, 32 years of age. Have had 10 years' experience in mining from position of mucker to that of general superintendent. For past four years have been in Copper River District of Alaska as mining engineer, and superintendent of gold and copper mines. Desire position in U. S. Best of reference. No. 577.-Member, technical, age 27, married. Open for engagement. Past year in war mineral field work, operation and production. Ten years thorough experience in both subordinate and executive positions, gold, silver and copper in the U. S., Mexico and South America. Devel-

Jan 5, 1919

By T. Kusakawa

In Japan, natural gypsum is rarely mined for industrial use and almost all gypsum is synthetic, that is desulphogypsum, produced from waste sulphur dioxide gas from metal smelters and power plants and other industrial waste sources. The amount of synthetic gypsum production (1979) reached more than 6 Mt/a (6.6 million stpy). Major uses are for cement and building materials. Other uses include soil conditioner, investment casting molds, and organic composite materials. Sulphur recovery by gypsum decomposition is being examined. This paper summarizes present Japanese production and uses of synthetic gypsum produced from industrial wastes.

Jan 1, 1984

By Vernon Read, John K. Hayes

Generally speaking, drilling equipment and techniques presently in use are not capable of meeting the complex technical-and economic-requirements of deep core drilling. Drilling to great depths involves increasing risk, time, and money. And it is especially true that costs increase with depth when conventional core drilling methods are used. Introduction of wire-line drilling techniques has been a great boon to deep core drilling, and is rapidly gaining general acceptance. But, in spite of recent progress, there remains a great need to improve productive drilling time and penetration rates, and still maintain high core recoveries.

Jan 1, 1959

CONTENTS PAGE East Texas, except the Gulf Coast-H. Vance 3 Gulf Coast-L. P. Teas 8 Texas Panhandle-C. C. Rae 16 North Central Texas-H. F. Smiley 23 North Louisiana, South Arkansas and Mississippi-B. C. Craft 25 Oklahoma-C. H. Pishny, Raymond M. Carr and E. J. Dickinson 31 Kansas-E. A. Koester 35 Rocky Mountain District-C. D. Johnson 46 Illinois and Indiana-T. Wasson 49 Michigan-T. Wasson 52 Eastern States-P. D. Torrey and W. H. Young, Jr 58 West Texas and New Mexico-W. V. Vietti. Published as a Supplement.

Jan 1, 1933

By B. F. Tillson, C. M. Haight

I. General Remarks..........................723 1. Location............................723 2. Characteristics of the Orebody..................725 (a) Mineralogical (b) Shape, Strike, Dip, Size, Etc. (1) Ore (2) Country Rock 3. Historical Sketch........................725 11. Mining Method..........................726 1. Outline of Methods Now in Operation............... 726 (a) Stopes (b) Fill . (c) Pillars (d) Slices (e) Transportation (f) Miscellaneous 111. Mining Operations........................727 1. Shaft..............................727 (a) Sinking (b) Dimensions and Equipment, Sketches (1) Size, Inclination. Direction, Etc. (2) Timbering (3) Stations (4) Track (5) Hoisting Equipment (a) Skips (b) Engines and Ropes (c) Idlers (d) Man Cars (6) Loading Pockets (a) Operating Figures (7) Headframe

Jan 1, 1918

By D. B. RUSHNORE, K. A. Pauly

Bulletin. No. 41, May, 1910. ABBREVIATIONS. Al. Ind., Alliance Industrielle. am. Elec'n.. . American. Electrician. Bull. As. Ing. El Bulletin de la Association des Ingenieurs Elec- triciens Sortis de l'Institut Electrotecnique Montefiore, Liege. Bull. Soc. bilge d' Elec Bulletin de la Société belge d'Electriciens. Col. Guard . Colliery Guardian. D. R. P Deutsches Reich Patent. Dilly. Poly Dingler's Polytechniches Journal. E. & DI. Jour Engineering and Mining Journal. E. T. Zeit Electrotechnische Zeitschrift. Eclair. Elec. L'Eclairage Electrique. 1;1. Anzeig Elektrotechnischer Anzeiger

Sep 1, 1910

Jan 1, 1922