| Show I I inC Camp mp of Bingham At present set limbering I Is malady Impel ht ilia Iho ore or bottles at Dingham Canyon anon Utah says 1 T I Rico In 1 a recent contribution All An the tho theore ore orB bodies tore mainly IlL In the Iho limestone along lre the walls ut of tint are oro l bodies lire are strong except I 1 hero I the tho Ihne lone hn hate been shattered ly by faulting or of title strength ot of wall complete lilting ot of till him with waste such tie nil 8 the It at II II tte Mont whore In pence or of limo stops the tho or sob gob gobIs Is III kept within two Noma ot of the roof or of the tope Is nut nol required LITTLE WA TE Consequently the or ore bottles of fling ham are mitred without much waste wasl thus thull resembling the open j set stop elopes ot of some or of the Lead where tile lute II ores also It occur cur curIn In limestone a shows l siR signs of R a taking weight I to fete J I sots are aro lagged and waste wallie is II dumped lute this pen a waste I bulkhead which helps help materially J to aleal steady the Slope Th These JM pen penI I bulkheads work so 0 satisfactorily that J I I tailed failed to Ie see on any t puck as ore are In some or of th the B t Jr Montana minima nt at Unite t i The Tho chutes are simply t eh o occasional to j break mho tho full Owing to the softness af 01 these ores oros there therl I is no eltos I alte amount ot of cutting ot of the lining of oC I the 1111 chutes and consequently neither a bricked chutes nor 1101 time tho open stag gored chutes which chara t the ot of the tho c M slake mine millo nt at Lead S D 11 are ear Two planks nr mire used for Cor in III the Owing to the I strength ot of the ore oro tutu the tho little ten leis dency It hM has to settle off IY the root roof sets ts of r rIho the Iho slope generally do not 1101 have to In ho be lagged another feature which II c time the timbering and cast In fling DIng Ram Canyon elopes much ler less than IhAn tit It Hulle Montana rUE QI H sin S SYSTEM Tr I however the mine managers It at hag ham hamn have hae not been quite with these thele advantages limit bUI have designed III hi order to save Ii a specially square set which nt at least A as tr far nil as lay tny experience indicates le I peculiar to these thell mines this system use It at the mine or of the LIlith Consol and has later hellI adopted lit nl the by Roston Consolidated nine It has hal so that the tho same framing ot of sete is III used lWI 1 at atthe atthe the Cactus mInI mine at l Newhouse Utah t h which like the Roston la III launder under the control or of Samuel Newhouse On the Comstock Lode 1008 the were wera as designed by Philip with the horn hornor hornof or of the posts poetA butting against those ot of th the poets below This framing is II It stilt III re In III the few at present on th the Whether the t pressure thre I is greater than th the side pressure nl as the framIng would I 1 do clo not but I 1 could not help noticing this feature or of orthe the treating or of tho 1110 original hl h to me It at least is 19 unique for iii 11 though I have worked in III ninny 11 and lI ninny inure III whIch timbering l Is lI used cd I have not seen Heen flits feature t ot of butting against each h other Ither At t canyon the sets el 11 sire d do to otter arrer time ro II to elde hl and so fO the horns or of orthe time the en me are caused to butt against t Pack other time Clip cap being square in III this hutting ot of thin tho caps thuD there Is nothing but In tin tho paste WI we hoya have the unique feature of 1 a apiece piece rectangular In or of square the post pOll 10 Inch Incites In the Iho direction of lt the girt girl and 0 Inches wide thus caving an aninch inch In time tho of oC the lute Moreover the poste have hao a bottom and anda 1 a top T end tor they are bald bAd It at time the bottom and hato only II a one inch hors horn oil top In consequence ur of this Ihl tram cram lag ot of the put post the tho lop mortise mortille made macle up UI h by the assembling of the caps anti girls from the thc bottom mortise A and so II there thAre I Is a 11 ten In side and It bottom to th lie caps and gifts Thus at Ont first the limber maim II It I It t to rapt call a bottom or top tOI situ but ot of this ix II no valid I to Ihl this Naturally It is 18 to hal II a n art al Ih limp lop tOl und tact of oC th the post on to rust the thA caps and girls All As tin bottom of Jt the Iho port rest Oil nu the Ihl cape slid girl It tines loes not lIt nerd 11 01 to 10 bf be teamed but It I to m that It would u bt just nil as well 1111 to tn have Ih the In ton Ih bottom enl ends or of the lilt posts framed with horns rr for then thI th m would be I no such oom mm ment or of framing AS the present sier I rands In rape as anti and girts fIr True Trull that het would pause ause met 1111 extra pas of r Ib the post m In th time rant er r but InH It u the special loI framing t a ru 1 only nb on the tho top lop ot of girt 1111 If f th tl r tram In lag of both bath ends t f th iii post were pro adopted time gIrt would b n a plats 6 IC mob Inoh timber limber re the Ih girt u used ht by J F A HeinKEl lit at tl Cora Island minI mine At Butte nuu where Of IC 01 my be corrent the tho gIrt are plain and the posts arm lox loxA ll A 10 Inch with horns horn on both ends and nn the Iho caps mire lire Inch hutting butting up t ono one another OF TILE THE inching of the tho girt only Inch In to bo be I n step In tine right direction tor the O ot of the tho girt or tI tie or WI ms It 11 is butler called In come omo camps the tho brace is III mainly to resist till the fill elde ot of the ClipS caps and h not to ro no lilt slet any great inward In the tho steps tollO nS II Is the ot of th limo cap tho ho girt does cloes not have hao tf to be ns strong as the cop cap In III my It is 19 n a waste ot of timber to 10 utako time Iho equal III ht cross to the tho CUI cups Another that strikes mil me aS n worthy worth lit of consideration If is the Iho fact that although I limo ho 11 in inthe the Iho cl lIr between the curls caps and the tho posts le six Ix feet tl t live inches th the In ht the olear and girt WAY Ili III the tho sets Is S only a 11 little over four fort It might bo be to in increase n cre crease this and effect still stillmore more economy in n hn timbering with without without out the tho but tilts fart matter of course is I 1 a point for tor forman mon man well wit tithe ground to anti nOli undoubtedly It lies given much thought by the nay Boy l is noted nOloI for tor It Its hIgh JQ I cI mho tho point only because ot of mho tho striking l n thero thelo dimensions which the ot of these mites have thought Tho Iho only draw buck back to the tho girt being as narrow as Il six fIx Inches Is the ease asa with which n a deer can oon h be torn lorn up b by n a hem heavy blast in the stole unless 1 the tho flout noor Is h tI tightly hUy wedged In n place for tor the hoar hUH hue only a three Inch hold when laid 1111 cap ways nut 1111 title this ot of course caulS Is n a very small drawback All ITt are framed tit nt the tho mills In Oregon and Washington and limo shipped ready to go Into the tho MOpes |
