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Show Five S. L. Men To Participate In Mining Meet Five men from Salt Lake City and another from Garfield have been announced as participants on the technical program of the Metallurgical Society of American Ameri-can Institute of Mining, Metallurgical Metal-lurgical and Petroleum Engineers Engi-neers when the AIMA holds its annual meeting in San Francisco February 15-19. Three from Salt Lake City will preside over individual sessions. ses-sions. R. J. Stevens, consulting metallurgical metal-lurgical engineer for Kennecott Copper Corporation, will be associate as-sociate chairman of a session on copper in San Francisco's St. Francis Hotel on Monday afternoon, after-noon, February 16, and W. M. Fassell, director of research for Howe Sound Co., will be associate asso-ciate chairman of a session on the chemical processes of nickel on Wednesday afternoon, Feb! 18. Bruce Clemmer of the U.S. Bureau of Mines will be associate asso-ciate chairman of a session on the chemical processes of uranium ura-nium at the Sherton-Palace Hotel Ho-tel on Thursday afternoon. J. S. Mitchell of Garfield, manager man-ager of the Calera Mining Co., will present a paper at the session ses-sion on nickel, describing pressure pres-sure leaching and electro mining min-ing of cobalt at his company's Garfield Refinery. Two other Salt Lake City men, T. L. Mackay and W. E. Wads-worth Wads-worth of the University of Utah, others being the Society of Mining Min-ing Engineers and the Society of Petroleum Engineers. will present a kinetic study of the dissolution of uranium di-1 , oxide in sulfuric acid at the ses-1 sion presided over by Clemmer on Feb. 19. ' Some 4,000 engineers from all parts of the world are expected to attend the AIME sessions to occupy three of San Francisco's largest hotels. The Metallurgical Society is one of three constiuent i societies of the Institute, the |