Show PRODUCTION BY COUNTIES COUNTIS Beaver ea ar V The precious ou metal contents of or pre V VV V mined in this County during duing 1899 were as follows Quantity Value Gold fine ounces oune 10 6 S 32 31 3 Silver Sive fine ounces ou V coining cing value alue SO Copper Coper fine fe pounds pound V Vat at 1187 per cwt 28 IS 16 pe cwt O 1 Lead Le fine pounds at V w V 4 per cwt 36 3 Total Tota 7 A large portion of the above output comes from Frisco Friso where is located the historic Horn Hor Silver Siver mine This was wa opened nearly neary thirty years ago and has ha since produced over in precious preciou metals and ad paid more than sO in dividends The ty has ha ha been ben extensively developed the thele lead le standing in i nearly vertical l position poi position tion and is from ton thirty to feet wide between the walls wals The Te main shaft shaf has h been sunk to water level a dis din distance tance of 1600 1000 16 feet and the ledge open opened opened ed about 55 feet on the strike The character of the ore varies from the tle surface to the seventh level lead car carbonates carbonate carbonate bonate carrying silver siver gold copper copp r rand and zinc being bing found At greater geater depth this becomes more of a copper and zinc sulphide associated with con considerable considerable considerable galena glena It I wes was wa in the upper workings working of the te mine that a large lage ton tonnage tonnage tonnage nage of chloride of silver siver horn hor silver siver was wa obtained from which fact the mine derived derive its is name The property is equipped with wih thirty stamps be besides beside besides sides side necessary crushers rolls rols jigs and to reduce about tons of ore per pr day aay to t concentrates for ship shipment shipment shipment ment The Th property is one that seems to have a long period of operations be before before before fore it for the future with Increased production over that of the last few years Besides Beides the Horn Silver Siver are a number cf of mines in process of or devel development development development in the vicinity of Frisco and should this work all al result satisfactorily s the output of the county will willbe wi willbe be largely increased In rae hereafter Juab County bounty The values won from ores mined In Inthis InthIs inthis this county in 1899 1 were as a follows Quantity Value Gold fine ounces SG 86 Gd ORS 81 S Silver fine lne ounces coining value 3 73 ve mO 7 Copper line le pounds V at t per cwt 50 56 pr c 5 Lead Le Dna at 44 47 41 per p cwt O 41 4 Total V 43 56 The increase in value v lue during 1890 over that of the pre p dus metals met l ex ox extracted exI because bu of mining operations carried carried on in this county in 1898 is I nearly nely OO The activity in min mining mining mm ing arises from the districts district centered cn about abut Eureka Mammoth amoth Silver Siver City and Diamond The more important mines of this COl are the Eureka Hill Hl Sam Swansea South Swansea Swans Fortune Centennial I Eureka Eureka Champion Grand Central Mammoth Gemini Go Godiva Godiva Godiva diva Ajax and Showers Consolidated These Tes properties were all al at work in 18 and the output and conditions va varied varIed ried ned slightly from those in 1898 1808 The most notable increase in output was wa that of the due to toa toa toa a more extensive extraction and reduction reduction tion ton of o from that mine mint Nearly all aU of the produce lead in inconsiderable considerable quantities while at sev soy several several eral anal the amount of copper contained in the ore is quite quie heavy This is es especially especially true tre of the Grand Central and mines In I point of the number of men em employed employed employed in mining and the tonnage of ores ore mined and importance of the properties this district Tintic Tintie ranks first in Utah The value of the metals extracted in Juab county is also great greater geat er ci e than of any other county in the state Salt Sat Lake County Cou The value of ot the precious metal met con contents contents tents tet taken from the th ores produced by the mines of this county in 1899 1299 was wasas wasa wasas as follows V a Quantity Value Gold fine ounces I O I Silver Slyer fine ounces coining value nB 11 V Copper fine pounds V at 1687 p per r cwt 17 Lead Le line fine te pr pounds at 47 per pr cwt 10 45 o Total Tota f t This Is a comparatively small de decrease decrease j crease cree in value from that of the yield of metals by this county in 1898 The chief district in point pt of mining ac activity activity is at Bingham where the High Highland Highland Highland I land Boy By Old Oid Jordan Joran Galena Old I Telegraph Butterfield Last Lat Chance Petro Petr and other mines are located The I characteristic of many of the ores bres res from this camp is a low percentage of cop copper cp copper per pr contained in the ores Of this product large Jar bodies bies exist at Bingham and much tho ht and ad thought money have haye been expended in the past pat that success successful successful ful methods might be b devised for forthe forthe forthe the profitable handling of these thes ores oresA As A a result resul of these thes efforts efort the High Highland Hig Highland land lad Boy smelter has ha been erected near Salt Lake City to treat the product from the mine of that name at Bing ham The Th methods therein employed are believed to have successfully solved the problem presented hi in these thee ores This smelter was put into com corn commission mission mison in May 1899 18 and and has since been b steadily at work Incidental to the development of the th camp at Bing ham harn and the erection of the Highland Boy smelter was wa the consolidation tf f fa a number of claims at this point into several large larg companies companie The result resul sought was wa the te more economical hand handling handling ling of these thes ores ore and seems to have been ben accomplished Besides the Bing ham district in Salt Lake Sl county are the th camps camp of the Big Cottonwood Lit Little Li Littie tie tle Cottonwood and Alta At The production production tion ton from these districts in jn 1898 1808 was small Summit Sut County Couty The metals metals taken from ores mined in Summit county during were as follows Quantity Value Value Gold fine ounces ounce l O 68 l Sliver Stiver line fine V ounces VV V value 49 0 Copper Copp line fine lne pounds puns at 1 per r cwt ewt i Lead line fine pounds V at n per pr S 53 1 5 Total V 01 The above total tota is an increase in the value lue of the metals output by the mines mine of this county of more mor than 00 thus showing the increase I to t have been the greatest of any in inthe Inthe inthe the state during during 1899 1890 The scene of the them most m active operations is at Park City where whre the large properties of the On Ontario Ontario tario tarlo Silver Siver King Daly and d Anchor companies are located In point of production during 1899 1809 the operations opton conducted at and the th out output output put pt from the Silver Siver King mine were the most mOt important at Park City the values value tonnage of ore ore and number of men employed at this property being greater greter than at any ay of the others The Silver Sive King ICing is also as one of the greatest dividend payers ayer at the present prent time in inthe intoe inthe the toe state tate of Utah Uth The ore reserves reser 8 in inthe Inthe inthe the mine re extensive and the prom promise iso ise i for fol the future is very ver bright bright This company in 1898 commence the erection eec lion tion of a large concentrator ton larg plant to handle their lower grade of ore This wa was put into commission ge during the theyer year yer 1899 1809 with the most satisfactory results result it being bin one of the most mod modern modern modem ern em and complete plants plant of its us it kind in inthe inthe the th west wes The Ontario mine also at Park City CIt was a for many mans ma years the leader lender among Utah mines mines The aggregate of divi dividends paid pId by this thi company to date has ha been ben nearly Of recent years year limited operations have been car carried c ned ried on at the Ontario and the th mining of ores ore on an extensive scale scle has been suspended However Howver during the past year the work was increased and to total total total tal values value of the metals obtained from their ores show a a considerable growth Another property at Park City that came ce forward with wih a largely renewed production was wa the mine The showing made as a result of the years operations oper tons is most creditable cr The control W of f the mine near the close of the year passed into n ne hands who promise that the output w is to be heavily increased in the th immediate fu future fut ture t re The ore reserves reserve in this mine minO are ar stated to be among among the th largest in inthe inthe inthe the tyest wet wetAl All Al of the above mines are producers t j c of ores a portion porton of which I I Is treated by milling and ing jug at Park City the balance being shipped to the smelters for reduction Besides the mines noted a a property I s situated sated near Park City CIt that came into J prominence during 1899 as a a e producer pro was a am the Valeo Valco V al mine mir mh The character of its it ores ore differs from those of the other I V properties in Summit county count Instead t of carrying lead copper is associated with wIh the te gold and silver siver The production tion ton from Park Pak City Cit last lat year now makes mk Summit county count the th second in importance in the state and a close rival for first frt place Tooele County Cout The quantities and values value of the gold and ad V silver Siler taken from the ores mined and ad treated in this county count dur durIng ing lug 1899 were as a follows i iQ Quantity Q tv Value Gold fine Sliver Silver line fine V ounces ounce V coining value 72 1 Total 55 56 Golden Gate Mill The above values come from the th district at t and around Mercur where nearly nealy all al the ore mined Is treated by bythe bythe bythe the cyanide process In I view of what has ha been accomplished during the past pat few year in the working of the enormous bodies bies of ores ore that underlie this camp the following description and history of Captain De Dc Lamars Lamars mines and Golden Gate mill mi at Mercur together with the processes now used has ha been ben written for this report by Mr D C Jacklin Mr Jack Jacklin lin un ln today ranks as the leading expert on the cyanide process in the United States State if not in the worMs He was wa in charge as a general superintendent of the De Dc Lamar Laar mines and and mills mis from I their purchase by the present owner and anci it i has ha been ben to his energy and skill ski that the present plant and methods were evolved and adapted for the profitable treatment of the ores at Mercur The following is the first time timea a description has been written by any anyone anyone anyone one connected with wih this plant and is especially valuable because of its It authoritative origin Mr Jacklin says The most notable increase In the thc I gold production of Utah Uth is V due to the extensive operations of De Lamars I Mercur mines in the Mercur district J which at a the present time are pro producing producIng producing more than than of the to total total total tal tonnage of the entire entre camp The nucleus of r this great geat property consist consisting consistIng ing of 13 acres ar called caned the Golden Gate group by which name the property is still sti locally known was wa purchased by Captain J R H R De Dc D Lamar in 1895 1805 This I gentleman with wih his Ils characteristic 0 energy began immedi immediate ate developments development on an extensive scale and in a short time was WI so well wel pleased with wih his initial purchase that he be began began gan acquiring surrounding territory and continued to do so until the fall fal of 1897 by which time the area are of the group had been ben increased to over 80 V VV VAt V acres At the time of De Do Lamars first pur purchase purche chase che ch the values alues from the ores res of the district were being successfully Ex dx Extracted fx by the cyanide process prOC 5 but the major part par of the ores developed in the theDe I De Dc Lamar Lmar property were of a very different character from those coming from different other mines in opera operation oper operation tion ton and were so refractory refractor from vari various various van vanous ous causes that the method of coarse crushing and direct cyaniding then in vogue voge in the mills of tl th p camp wa was entirely unsuited for their treatment as a had been ben clearly demonstrated by bythe byte bythe the te disastrous effects effet resulting from even small amounts of this base ore which was wa being occasionally encountered encountered encountered ered In small smal quantities in some of the theother theother theother other mines mine getting into their tank charges charge and entirely reversing other otherwise otherwise otherwise wise satisfactory results Mercur Ores M The Mercur ores in general cannot be b characterized specifically with Avith wih re regard regard gard gd to their physical or chemical composition for the reason Teason that they ther the thear are ar made up of widely Idely varying pro proportions proportions portions of several sevel distinct varieties of material viz a very ver fine grained grine minutely fractured and ex cx extremely tough hard quartz q artz a limestone also als highly fractured a compact ferruginous clay and small smal quantities of decomposed porphyry These Thes varieties of rock occur singly and mixed in all al proportions The values value in the quartz and lime limestone limestone stone lie le largely in the numerous frac fracture fracture ture tune seams sams in the clays and porphyries they are are very uniformly disseminated throughout the mass mas and this class clas of ore is usually of o higher grade gade than the others other Locally LocI the ores ore are class classified clas clasie ie into Ito three thre varieties according to their mode moe of treatment First oxidized ores consisting of ofa ofa ofa a mixture in which the calcareous and varieties predominate and nd in which the proportion of clay and talc is insufficient to interfere with percolation percolation I lation This class clas of ore contains only an insignificant quantity of corn com compounds cm pounds pound of base baB elements element showing only very vry small smal fractional percentages of mercury as cinnabar and arsenic ox oxidised compounds I Second talc ores wHIch are arc al almost almost almost I most entirely clay cay and talc tlc and soft I decomposed porphyry These ores like the class ca above are almost free from base b element compounds but impossible of percolation for the rca rea reason re son sn that on contact with wih water they disintegrate and settle sette to an almost impervious mass I Third base b ores consisting of a mixture of the above classes with wih the r calcareous and talcose varieties pre predominating predominating dominating and containing large quan quantities titles tte of base metal sulphides Arsenic is the te chief of these as real gar gr and in quan quantities quantities sometimes as a high as 50 60 per percent percent cent ent but averaging not to exceed 2 per pr cent is by far the th most plentiful of the arsenic bearing min minerals mm ers fully of the ar an arsenic arsenic I in this way Antimony is present as a stibnite Occasional small quantities of galena glena occur Consider Considerable Considerable Considerable able quantities of iron pyrites are fre frequently frequently encountered In minute min te crys crystals crystale tale Mercury is invariably present but in less quantities than in the ox oxidized oxidized oxidized ores |