Show NEVADA CON I. I IS SUITED TO TONET HAVE NET EARNINGS LIMN IN SIGHT Mark L. L Risque who was ws 1 the thc first manager of the thc crent copper properties I of or tho Nevada nna Consolidated had bad much to do ith tho attention of th the mineral min mineral min financial world to that eral section II He has a most interesting in in- in letter leter describing the thc results of their first experiments on that thit ground and showing the wonderful I earning possibilities of that property properlY l Ho Ire shows that the tho tf test t demonstrated I Jc cent nt copper COPper cop copper the presence nce of almost almot 3 per I of about per per values alues with a loss 1055 cent Tho Thu letter leter in part partis j js 3 as follows If The two problems that were nee nee- the future of ot solution before of tho the Ely ly district rould could be h assured were WN first e anti and secondly secondI the concen concentrating value of the or ore Tho district remote from railroad was 5 tion Eureka then tho thi nearest railroad station is is oi five eighty mil milos to the w st but railway a construction from that rai never seriously con considers point was as nE cr never because of the thc t much more m re favorable thou though h longer Ioner route roufe front from Cobre on the Southern Pacific miles mUes north nOth of El Ely I 10 This roa road followed the Ste too valley aley has lias a maximum grade rd of 0 07 per cent rent maximum 1 curves cunes of G 6 per cent and practically neither cuts nor fills Against this tho Eureka route would have hat haa four summits to cross with wih a maximum cros grade of 4 per cent cent The investment investment gade to put order was RS of necessity 11 large in the property on a n producing basis hasis an and it i. i was not conservatism to leave lC Rn an any anything thing to chance It meant at least last I in in the tho railway in plant and for mine mino equipment or a total of To To justify this investment in for a deposit de demanded posit o of low lois copper content millions of tons of developed ore and anil absolute knowledge e as to its is concentrating concen value The Tho of smelting smelt ing int was not one that needed actual demonstration demonstration dem demo as it was we well known what could couI be dono done with such concentrate hut but while miar ore was being b ng concentrated concentrated con con- in other places nn and the re- re known it i was deemed necessary ar In in order to make possible pos the financing that liat a n small experimental concentrating smal mill mi bo be erected and actual tests made Tho The ores Pores of the r Ely Eh district as is now nowel well el known arc are almost h ost entirely concen concen- The amount amount of direct aired smelting in ore developed is comparatively small smal nun and insignificant The Thc future of the amp camp is dependent nt entirely upon success in n concentrating its is ores ore to a satisfactory satisfactory tor tory saving in a A A small smal experimental mill mi was erect erect- od rl 1 at Rt tho the collar colt of tho the Ruth shaft This mill mi consisted of a n grizzly grizzl on ou which the mine car was dumped a and d the large lumps of ore broken by hand From the ore bin in the the ore was fed by bya a 1 plunged feeder feener into a For Forthe F ForI r rI the purpose of experimenting experimenting screens I of various sizes wore were used nu and it i is is probable that some of these experiments ero not wisely made and this is one ont of the reasons for believing that in a n largo large mi mill properly tuned up the saving say sav- ing will Jl bo ho in in 1 Cc excess of that secured cued in inthis inthis inthis this small plant plant Tho The oversize r o from the went into a three foot Huntington Hunt Hunt- ington mill mi the undersize was carried around l the o mill li and joined the ml mill discharge dis rUs char charge c just ln t. t h before foro entering the tho first compartment rt of the cas classifier The first compartment products of the class classifier were fed fee to a n table the tailing taing from which was elevated and returned into the Huntington and aDd reground The Tho second compartment product of the tho classifier was fed to a corrugated Frue Fre vanner anner the tailing from which was retreated retreated retreated re re- re- re treated on a smooth belt machine The third and fourth compartment products of tie went directly to to either a smooth mo lh belt Frue or a n Risdon Johnson on vanner Round tank tak slime was wa retreated retreat retreat- ed Ed upon a or a Frue This gave o ga avo practically a double treatment treat trent ment meat throughout tho the plant and while not constructed wih with any idea idea of economy economy my or expectation that a profit ol would d result commercially commercial the mill mi undoubtedly undoubted undoubted- ly gave gan a fair test as t to what COl could he be expected from the ores oreg when treated on ona ona ona a large scale in in a mill ml fully equipped for handling the tho ore in in the most most eco economical eco eco- manner The test also resulted I in a complete re am of the mine mino in sections of practically practical thirty or fort forty feet I believe o bEle unquestionably that in the large lare mills now noW being beins built buit these results re reo ro- ro fuls suIts will wi be materially bettered as it was as not po possible sible to treat tret the products of various adous sizes from our classifiers classier as wo we would like to have havo done nor was it pr practicable to put in machines machines ma ma- chines for re rinding the coarser products products prod prod- owing owin to the fact that the fall fal between between be be- tween the top of the mill mm and the tho bottom bot bot- tom torn of the canyon was WS limited and that it t was not practicable for preliminary experiment to put the mill mi elsewhere Wo We found it i impossible to install intervening intervening inter inter- V tanks settling boxes classifiers classi clasi- fiers fers etc as would certainly bo be eary sary r to secure the best results It seems fairly fairly evident from the results of these experiments that a large larse mill mi should yield above 75 per cent extraction extrac tion This being tho the case tho the cost to the Nevada Consolidated Copper company com corn pany of its copper taking into consideration consid crt on tho the steam shovel work at Copper Flat Fat and the caving cain at Rt Ruth should not riot 1 I exceed i 7 71 or S cent per poun pound sold old in X w U York Yok Assuming a recovery of thirty pounds per ton we W would have on a lo 13 copper market 7 cents per pound profit or 10 per pcr ton of ore Assuming l tons tOD of actual oro ore hocked blocked out in the property this thiR would give sho a n net earning capacity of something something some some- thing over or or figured upon th the pr present outstanding stock plus the sl shares reserved for conversion con cr ion of mining bonds or oi- oia a total of shares net dividends of approximately 20 O per pr share from ore now developed developed- In addition to ore or now developed or ac actually rC ac- ac blocked out ont by lw drifts drift crosscuts t and nud raises raises here bore holes holp have hc demonstrated ed 1 l tho existence of a n probable tonnage tonnac which whiCh when blocked out promises to greatly exceed the tonnage already devel de- de de vel I In addition to this the thc company has hasan hasan an nn acreage unprotected far in excess of of the tho area un known to contain or ore all aU within th the porphyry ar area a. a an and nil all nI o possibly possibly i. i d orelies bly 1 ore hearing bearing Tho fhe developed entirely in n t the hI Ruth Fraction Tunnel I Sie Site Bh Blair r. r Eureka ureka Star of the tb West I and Star claims The Tho total hold holdings n s of the thA comprises three sixty company claims ims giving it the tho h heart hart art of the dis- dis dis nis district I bearing area in in excess and an ore other of the combined ar area a of all aU the companies operating on the mineral belt bel It I would n be fool foolish h to attempt to forecast t tho the ultimate tonnage that ma may maybe maybe be developed Sioux rioux eon Con 5 1 1 South Columbus Con 60 O 51 Swansea Swans a Consolidated 36 Swansea Extension 31 03 Stray Stry DoS Dog 03 11 11 I 12 Tintic Central os Sliver Siver 06 Oi 12 Tintic 16 is Tintic Silver Siver Crown o 20 O Uncle Sam 73 75 United 06 O Utah Uth Consolidated 21 22 Z |