Show tE tu a f TS T'S MINE CONGRESS Ie e TECHNICAL GAINS DETERRENTS punitive ll Punitive Taxation Government Meddling DePlored De De- Ii Progress in Operation Health Conservation Conser Conser- r ration Reviewed by Session Speakers By BOB HALE I. I The never ending progress of the west's vast metal mining in- in tty pass passed d in review before before the industry's own membership day well rell Informed Speakers who are r the new developments changes t improvements in hi the methods f taking precious metals from the wind t. t und took look over the third busi- busi session of the sixth annual elal tut mining convention and ex- ex J on of the American Mining western division at the expounds expounds' minerals building I They fliey gave ga convention delegates i painstaking and thorough Int in- in t into what Is transpiring in the wa ot op- op rations noses progress new progress new theories i new w scientific devices new use of machinery opening of new work- work Jigs gs Cs Interest The men wh who direct operations s' s of if the industry showed a keen interest in interest interest in- in terest in th the explanations which we JUe of interest to the layman Jayman as asell astell tell cell ell in their telling of advances in inu u w industry that is the livelihood of d thousands of workers The The morning session was devoted Is tithe bhe the topic Operating Progress was reviewed re from the stand- stand ints of an engineer an operations operation opera opera- tion lols head and a mining educator Respectively ely were L den Eaton mining engineer from iron Milton Mass H. H M M. Laven- Laven fa general manager of the Phelps helps corporation and A. A W. W Fah- Fah dean of the University of Idaho school of mines C Progress Reviewed Viewed from their technical sides tl the addresses had a wealth of in in- in for the mining men as- as in the convention hall at W lie minerals funerals building But they PI a story understandable from frome the e standpoint of hat chat Mt the mining industry is doing I 1 tit Mr Eaton swung into a discus- discus t ion of pit open mining to open lis a talk but a prepared copy of ot his floatation f circulated te Wales delegates gate informed them that among in sir Mr f Eaton's opinion the industry g PI deterrents to mining r and MO equipment progress that to those faced by capi- capi I Advances in mining practice equipment have been retarded Fall Il W all those forces that have dee de- de the e Investment of capital X t and Punitive taxation interference with r t enterprise a bad labor situa- situa J j and na a prepared questionable fiscal pol- pol f the e prepared statement said bf his IS talk taik Mr Mr- Eaton reported fa A rani changes in pit open-pit mining 11 continued on Pale Page Twelve e Seven PROGRESS OF MINE INDUSTRY I SETBACKS REVIEWED AT MEEt MEE i Continued from Page PIC One I perhaps the most spectacular being in transportation Trucks or tractors and trailer wagons have replaced locomotives and cars in most new installations except where the haul is long he said The elimination of railroad tracks from open pits has made possible the use of much sharper curves cunes and steeper grades Turning to underground operations operations operations opera opera- he reported that it is generally generally generally gen conceded that plenty of 01 light underground is the most Important factor in preventing accidents Lighting Ventilation Floodlighting of ot scopes and drifts is s now common practice and It it is used with very beneficial rr suits in shaft sinking he sat oaf Controlled ventilation Is as essential at all large largo mines a an al the use of fans and air doors I 1 sa i a common now as it was years ago JL Much progress has been m math made in the prevention of l lr underground workers Good ve ven en i. i I Illation still is considered to be th-r th first requisite Air conditioning o of deep sleep mines has continued and a n large number of Installations V ha ha f been made k kHe He reported improvements implements have have han 1 been so continuous that it It is 11 1 possible for one man to keep track of them all J J Vast Fast Operation Depicted Mr Lavender gave an Hl tra j ed talk on the Morenci pit of it ot Arizona a vast open ope pit copper project that now Is U an an outstanding development in the Industry Production is expect expected d to begin in 1942 He gave the min ing men a careful explanation of of r the problems involved in the pit opening in mountainous coun coup try i J Mr Fahrenwald told of the Tot role of research in the advance of min eral oral technology and reported progress by long and rapid strides In a general way he said j tJi i e Improving technology Is the jS suit of operations primarily Qa four fronts First research in II and testing in the laboratory seco second d ingenuity In setting up and devising processes third m snit proved equipment and availability of bett better r materials and arid methods of fabrication J Guy N N. Borge general manage manager of the Homestake Mining com coi com pany parry presided at the session f |