Show INING NEWS AND STOCK REPORTS I UTE ENCOUNTER VilE MINE GREAT GREH SHAFTS fAUL SYSTEM 11 II Butto mines have bate had similar I e cx- cx with Jh moving mo that that has hes hs lulled In co closing town the Butte Bute while repair arc b ll made In numbU of ot Instances the moving of und mid In the big shafts have come at Inter aJ intervale apr Jn In most mOlt cases oper oper- tons ns were ere Iu suspended for longer periods n the set sel for repairs to ta be mn made e the the Butts Butte Bute tc t Superior mine Some of big properties have ha E had to make mako re re- Ira In r each year Jear and nd some Bore have ha been n able abla f fy maintain their ther operation without In- In for tor t tw two o years or bet better t r. r I Ifred Frank who ho has bas been In charge hale op operations for the Interests for tor I number of ot years lears In Butto Butte says Ea'S that y 3 had these thee experiences and that the thet st t remarkable one wa was wae at the Minnie ly properties In this shaft haf at one onee e the ground grund had moved mo ed so EO o that the forking looked more like Uko un tn tn Inclined ft n. n as at af the cable carrying tho the cage ched the walls als In two places when the ge ge was resting on or or the bottom of the hat aft Tho The moving mO of tho the ground round Is as u a rule and mine managers live e ample warning before any serious I t hars o occur cur Yet th there rf have been some I experiences and In one In In- I tance tince a big bl boulder broke down and ed In between two ta cages as they ere passIng The men Jen had to be goten goten got got- en out and brought up through h the third nt which remained Intact Intact Mr Frank Fank pays sas that at some of the properties the gang san In charge of ot halt haft haf r repairs constitute a good goo sized d porIon por por- Ion lon of the working force Corce At one time timet ill Lq t the lie Minnie H Healy they had a gang f fJ sixteen l men constant constantly employed on onha ha bait t v work ork After much experimenting e a aart aars ai ars art ia i i oi iii mis difficulty was overcome a ya iya y I t ciT blocks that thai was Introduced by y N. N Ni I Tho shaft timbers were put nit t in in ni form with lh false sets pack back f ta each ch bl block k of timber When the ground ma moved mad d behind nd ono one of these blocks block HI t was removed remo el arid ald the sets seta back of the he blocks were werl changed to ta sizes to con con- form rm with wih the movement mo of at ground In InIs Inthis Inthis this Is manner ch changes were made without without with with- wih out Int with oper Operations tont and at atthe atthe atthe the tame m tm time the shaft was constantly kept in repair ln moving moving- of ot ground Is caused b by nn an causE Imn fault that makes through h the tho entire camp There Is al alto also o a series ferles of af smaller faults falis which causes tupes a constant shifting and shafts hats frequently get out of ot within a short time There Thre is js no a way of holding holding- the ground bround permanent as sJ experiments pen ent with and cement allows lows that ha these materials are aro arC not strong stronA enough SI Sites 8 for or nw w n shafts have been with ih a 8 view to avoiding the faultIng faulting fault fault- Ing 6 system tem as much as possible but all al the territory being mined shows hows that that this obstacle must be met to ta some degree |