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Show MINING MEN STUDY GROUND MOVEMENTS NEW YORK. Feb. 15. A study of the natural law governing ground movement due to excavation of large ore bodies was taken up by the American Amer-ican Institute of Mining and Metallurgical Metal-lurgical Engineers, which has opened Its 12 3rd meeting hero A committee appointed a ear ago to study the situation was subdivided Into special divisions to Investigate condition! surrounding certain forms of mining. Dr. F W. McNalr, president presi-dent of the Michigan School of Mines will study the copper mine situation In the IJike Superior region; J Park ChanninR of Arizona will examine mining in that state and Ell T. Conner Con-ner of Seranton will investigate the Penntjvlvunia coal regions. It is the object of tho institute to fix a natural law in order that they may moro accurately govern their engineering en-gineering projects. Recent cave-ins as a result of underground mining projects jiromptod the. study. oo |