Show FAMOUS MINING STRIKES dy by THOMAS E STEWARD search for new mining methods THE 1 government lia guidy of tho the me MIM iron district endi with iwa iwi and thu the ship shipments menti lit in that year its as jooa tona toils f oro art ithe author considered tills n mullen loin figure epure perhaps ps one that would not easily le be ed yot yet in the ahe of tile ho world war minnesota ns its liegh us its tons of ore tu in one year ar that record meant tit in the troit iron ranges of the entire lake Su perlor district ln in chiding anti laiu shipped nn an of toni toils in a glit yetar tills lii Is tile increase of it IR hulu stry chilt tit gafill in with tile lie ni odest of 15 tons toils frow I 1 am it dainge juniper to tons toils in ili 1007 to tons in ili IM 1000 ad it ns ila tins j all pointed out to 1 ah 1 SOW 3 in 1002 10 jeum ithier inq Op spelling ellIng the of oro ore that lint have been tah oll front from the lie trait iron miles of minne rt 1 linial reds of in lIllous of tons of hibb grado ore reni aln look forward to the lie ex linus llon of ill lip hilgh ganilo bratle oro supply in botni thing like 30 years Alean while the fillner ex station lit fit the university of manne rain Is bentling nil fill of its iti ellif I 1 gl to the lie ansh of finding methods for brna fic lating low grade gando ores so BO thill they inay bo be shIlI shipped ped one oil lias ills beell dOM ION loped unit that it perfectly po lilo to use tile alie rocklike ores of file lie eastern ann c but tile method tg Is expensive nil and call he be bod only in yearn when tilt price of oro Is so fro high that those these unities call bo be operated nt at a profit the of MInnes minnesota otti Is la now lating sonic bottle thing ali ins like a year for use in experiments looking to tile separation of lion iron front from low grade oros ores by n roasting or process that I 1 could ile he curried carried 0 on it it benr en r th tho 0 spot where the ore was latt mined led tills will be important it if it it Is developed ili because most of the kin elters using tills at aio oio art are far fai anway nt at clile ogo gary nry cleveland Clevela nj toledo or elsewhere cost of transporting the ore Is grelet tho rich ol 01 os cs or containing front from CO to 11 15 per cirit carit in fit actual iron CUD always ho be but blit front from 15 41 per cent iron on down to 25 23 per cent iron tile ores oreg tire so iann that hint tile shipper li Is paying nn an inordinate of freight arl lit on more mere waste material that euist be thrown away tit nt tile other end it if tile minnesota school of gittles experiment station succeeds suc coeds in necola peishing shIng the method of it will odd mahlons of dollars to the wealth that alint state will derive front from taxes taves and will minnesotan Min intoning industry esef mates panco face tilt the supply of low grade ores on the iron range at ninny funny bit tlona of tons toils |