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  • AIME
    32. Leadville District, Colorado

    By Ogden Tweto

    The Leadville district, on the west flank of the Mosquito Range in central Colorado, has produced silver, zinc, lead, gold, and minor metals valued at $512,000,000. The ore deposits are in a sequence

    Jan 1, 1968

  • AIME
    Papers - Recrystallization and Precipitation on Aging of Tin-bismuth Alloys (T.P. 1364, with discussion)

    By J. E. Burke, C. W. Mason

    In attempting to study precipitation from a tetragonal lattice, using solid solutione of bismuth in tin, it was found that although a Widmanstätten pattern is observed1,4 only a qualitative analysis o

    Jan 1, 1942

  • AIME
    Papers - Recrystallization and Precipitation on Aging of Tin-bismuth Alloys (T.P. 1364, with discussion)

    By J. E. Burke, C. W. Mason

    In attempting to study precipitation from a tetragonal lattice, using solid solutione of bismuth in tin, it was found that although a Widmanstätten pattern is observed1,4 only a qualitative analysis o

    Jan 1, 1942

  • AIME
    Papers - Production - Domestic - Oil and Gas Development in South Arkansas in 1940

    By Warren B. Weeks

    The year 1940 saw an increase of 20 per cent in oil production over the previous year—compared with a 16 per cent increase the previous year. In all, 25,790,380 bbl. were produced, an increase of 4,41

    Jan 1, 1941

  • AIME
    Papers - Production - Domestic - Oil and Gas Development in South Arkansas in 1940

    By Warren B. Weeks

    The year 1940 saw an increase of 20 per cent in oil production over the previous year—compared with a 16 per cent increase the previous year. In all, 25,790,380 bbl. were produced, an increase of 4,41

    Jan 1, 1941

  • AIME
    The Cyaniding Of Silver-Ores In Mexico.

    By ALBERT P. J. BORDEAUX

    THIS paper briefly describes the general outline of cyaniding silver-ores in Mexico, with special reference to personal experiments made in the Temascaltepec district. The most important papers on th

    Jan 1, 1910

  • AIME
    Some Comparative Properties of Tough Pitch and Phosphorized Copper (56e4885e-4963-4d51-8581-9b21d382d457)

    By Webster, Wm. Reuben

    THE greatly enlarged demand for small sizes of seamless copper tube which has recently occurred, due particularly to the rapid growth of the electric household-refrigerator industry, has emphasized th

    Jan 1, 1927

  • AIME
    Mining Methods and Systems

    By Thomas T. Read

    EVERYONE engaged in the teaching of mining engineering will, I suppose, agree that the most difficult subject to teach is "Mining Methods." One primary difficulty is that the students taking the cours

    Jan 1, 1930

  • AIME
    Leaching Of Metal Oxides

    By I. H. Warren, E. Devuyst

    A review of the physical and chemical aspects of the direct leaching of metal oxides has been given and com- pared to recent data of the authors and co-workers. The physical aspects, including the

    Jan 1, 1973

  • AIME
    Memoranda on the Analysis of Statistics

    By A. W. Hale

    IN a work published in 1838, De Morgan, the author of the article on "Probabilities,' in the Encyclopedia Metropolitana, says " The method of least squares is not yet introduced into the affairs

    Jan 1, 1881

  • AIME
    Geology and Mining of the Tin-Deposits of Cape Prince of Wales, Alaska

    By Albert Hill Fay

    IN giving a sketch of the geology and mining of the tin-deposits of Cape Prince of Wales, a short description of the geographic and climatic conditions may be of special interest on account of this be

    Sep 1, 1907

  • AIME
    Unwise and Dangerous Provisions of Engineering Registration Laws

    By G. M. BUTLER

    TWENTY-ONE of the states in the Union, the Territory of Hawaii, and seven provinces of Canada now have in operation laws requiring that professional engineers be registered or licensed. In addition, t

    Jan 1, 1930

  • AIME
    Patents and Litigation as Viewed by an Engineer

    By William E. Greenawalt

    IN these days of special legislation for the benefit of various industries one might well consider one branch of human endeavor intimately associated with engineering-that of patents and patent litiga

    Jan 1, 1937

  • AIME
    Titanium - A Growing Industry - War-Born U. S. Production Has Good Chance to Survive Postwar Competition

    By OTTO HERRES

    TITANIUM is estimated to be the ninth most plentiful element, ranking after iron, aluminum, and magnesium, and ahead of copper, lead, and zinc. Vast quantities of titanium are widespread throughout th

    Jan 1, 1946

  • AIME
    Discussion - Of Mr. Barrows' Paper on the Use of High Percentages of Mesabi Iron-Ores in Coke Blast-Furnace Practice (see p. 140)

    F. E. Bachman, Port Henry, N. T. (communication to the Secretary*):—In discussing Mr. o.o.Laudig's paper, the Action of Blast-Furnace Gases Upon Various Iron-Ores,' I took the ground that Me

    Jan 1, 1905

  • AIME
    Washington Paper - The Cedar Point Iron Company's Furnace, No. 1, at Port Henry, Essex County, New York

    By T. F. Witherbee

    It is proposed to give, first, a description of the works; second, a report of the first six months of the present blast; and third, such improvements as have been suggested by the practical working.

  • AIME
    The Cedar Point Iron Company's Furnace, No. 1 At Port Henry, Essex County, N. Y.

    By T. F. Witherbee

    IT is proposed to give, first, a description of the works ; second, a report of the first six months of the present blast; and third, such improvements as have been suggested by the practical working.

    Jan 1, 1876

  • AIME
    Minnesota's Iron Mining Industry

    By AIME AIME

    APROXIMATELY one third of the world's iron ore is mined in the United States; and about 80 per cent of this third is mined in the Lake Superior ore region, and about 60 per cent in Minnesota. Th

    Jan 1, 1941

  • AIME
    Pennsylvania's Subsidence - Control Guidelines: Should They Be Adopted By Other States?

    By Christopher J. Bise

    Introduction In August 1977, the federal Surface Mining Control and Reclamation Act was signed into law. It stated that: "The Congress finds and declares that because of the diversity in terrain .

    Jan 1, 1982

  • AIME
    Preparedness Makes Heavy Demand on Copper-Mining Industry

    By Cornelius F. Kelley

    EVERY man connected with the mining industry should take a significant pride in the fact that he belongs to an industry and to a profession that, from the beginning, has been constructive. The miner d

    Jan 1, 1941