| Show r T W F News Fn Visa All rT g g y g h R r w r I M. M INING III I I Camps and STOCKS I III 14 PIe Flashed t Fill L I 14 Ii I I Aa I Quotations d on oi O LP From 1 i NEVADA NAVA CON WILL DRAIN COPPER FLAT kAT PIT WITH A TUNNEL When a a heavy y flow of water wa waa waz r re recently re- re encountered in the mammoth Copper Cop Cop- Cp por per Flat pit pit of ot the tho Nevada Ne ada Consolidated properties ut at Ely lily It interfered with wih op op- for a a. a couple of days A pump J was a Installed and tho flow fow checked and kept under control so o that operations could be resumed with wih steam shovel sho cl Since that Dial occurrence some engineers engineer of oi j the thc company have ha admitted that tho tim pit has 18 att attained a depth at which it I is liable to tu encounter more moro water at any anY time a athe as asI I tho the pit Is b being pushed up Into tho hl higher her ground In at these conditions the Mining Expositor states that in spite of ur the fact tact that the Nevada Consolidated Consol Consol- Consoli dated Gate Cop Copper r company has been ben crowding tho production of ore from the big steam shovel Tit rit at Copper Flat the tho output for tor forthe forthe the month of Juno being In excel excess of or tons the management Is said to tobo ho bo laying plans hU to meet tho the difficulties I that will wi be encountered with wih tho the attaining attain attain- 1 ing log of greater depth In the tho pit To accomplish accomplish ac ac- ac tho tim end nd it i is quite Qula probable probable able ble that n a tunnel designed to solve I the theor theore extraction and drainage problem willbe will willbe ore or e id il be started the next few fow months Tho Tue provision Jiro of ot drainage is not an im- im g Jy as n thero is enough ore oreIn orein or in sight Bight above tho water level lc c to supply supply sup sup- ply tho the concentrator tor for many months but b bew w tho water ater level is a a. sulphide de deposit 1511 feet deep which will wi bo be im impossible Im- Im J possible to handle until the water is taken care caro of at As the tho pit grows deeper r tho the grade rado of A pi the railway tracks leading leding Into It ft it Is 11 boIng bo- bo be Ing lug increased making it moro mora difficult to i. i draw the thO Joa loaded td trains trins out when weather conditions lire tre unfavorable Then Thon too the striking of water In tho tim lower levels of tho the pit while not FO JO o serious an obstacle ob ob- ob- ob stacle as at first reported has hI indicated Indicted to the tho management ment tho n necessity es ly of providing providing pro pro- viding drainage facilities The company it I I is reported is planning planning plan plan- difficulties by ning to overcome these driving a a. tunnel from a point about 1500 feet foot down C J Juniper cn canyon on to tho the deposits I lying bing underneath the pit pit This tunnel will wf provide for tr the tho handling of ot the entire en err err- tire the Copper Flat oro ore body at pres present nt blocked out by churn chur drills dris This bol bors bora wU will verve as no a 3 working and ami drainage tunnel The oro 10 available in the pit under un un- der tho the pJ tnt system it I is Is' es estimated cs ceI will wi supply the concentrator for about eleven months and before the tho expiration ex cx- of the tithe time It I is expected that tim the tunnel wiil havo have been completed or that some ome other method of ot removing the oro ore and anil water will wi have havo been proTho provid pro pro- vid ed The Tho output o copper from tram the McGIll smelting m plant for the the month of ot June will wi be bo in the neighborhood of pounds which is approximately the same as the as-the the previous month The he concentrator h has s run largely argey ahead ahe of ot the tho department and is now carrying a large huge reserve of or seconds and a rc o er which If figured into the production production pro pro- would swell eU tho the total amount to more than pounds s poun for tor the monthly production The concentrator has his made a remark remark- remak- remak able record for efficiency which Is largely larely due to t the thc fact ac that it I was a double decked room rom for fr nearly double the number num num- ber bor of or tables originally Intended br This with wih other Improvements has doubled the capacity of the plant as a at first pi planter planner ant E and will wi necessitate tho completion of ot tho the fifth fUU on al which work was a commenced some time ago and then suspended |
