Show evel events ats irv in sierra madre district ogden utah may 10 As spring opens uhe mines of sierra madre mining district are receiving fresh attention and the summer landfall and fall of 1903 will see them reach a higher line of development and production than ever before in their history during 1902 the prince of india t the he eldorado midland santa maria and other groups were worked upon and new ledges and bodies of high and medium grades of ore were discovered in ground hitherto i unexplored early in the present year the i great gold vein in the prince of india was cut by abbott who carr carried aed out an extensive contract of development work for the prince of india company the vein at the point where cut shows a width of seventeen feet between betwee rr walls with it was anticipated that copper would show in this property when the north or gold vein would be reached at depth from the surface but such was not the case when the cut was made as the same oxidized this property is preparing to go forward with the opening of the copper lode as also the gold vein during the year 1903 the operations of the year 1902 1962 placed the interests of this company on a very se A i h 4 T view from eldorado lawer power house Showing Course of the boston avid machera maghera copper vein marked no 1 talc casing the body of the vein being an oxidized and sulphide quartz throughout upon the vein thus reached in the work ings a turn was made and the work carried along the ledge for feet and in this distance the vein gains cons constantly bantly in strength VA i I 1 an and e values es gold and silver bearing ores found at the outcrop on the surface continues with depth and it is now believed that as a gold and silver vein this will always prove continuous and perman permanent edt the south lode ori on the prince of india is cop copper er b earing and the mh management gement of 1 15 5 cure footing A large additional area of mineral land was secured and the entire tract of more than acres of mineral bearing area owned by this company Is now patented and the title is absolutely perfect the company is free from indebtedness debt edness and has money still in its treasury treasur y with which to continue development for the present year the eldorado company spent a large portion on of its outlay during 1902 for development at the main workings near the summit of the mountain where the silver lead ores prevail and also in the copper veins lower down the there was a new source of water power and water supply secured and developed during the past winter and ground excavated for new buildings at the upper works the purchase and construction of a concentrating cent 1 rating plant for far the ores oath of the mine is now the heavy task before the owners of this property As a silver and copper producer conditions at the eldorado warrant its becoming one of the foremost properties of the state but like all properties of its kind situated at a high altitude its development has taken time partly because of 4 mouth of main tunnel boston and machera maghera copper mine the limited funds at the disposal 0 of f the management up to the summer of 1902 it was not known cnown that metals other than gold lead and silver existed in paying quantities in this district but the prospecting of the southern part of the district has shown that some of the boldest coppet copper veins found in america exist in the lower measures of sierra madre mountain these are found in the boston and maghera machera groups also in the santa maria and midland groups and the work done upon the boston and mag hera copper lode has opened the eyes of mine owners in this district to the tremendous possibilities of this locality for the future of copper mining within its boundaries what was taken a few years ago to be simply an iron vein traversing the country in this region proves to be a copper lode the length of which within the boston and maghera machera Ma ghera is more than feet and the width of which is from four to forty feet with copper values coming to the surface its entire length the area owned by the boston and maghera machera consists of twelve claims and besides the main cop per bearing lode that traverses the entire length of the group we find a second vein to the north part of which passes through the northeast area of this ground the copper veins here present an opportunity for development by tunnels seldom favoring such an extensive lode no 1 tunnel now being driven in gulch if carried forward to the east contact will gain a depth of 1600 feet on the vein affording an easy exit for the ore mined and also perfect drainage for the entire property above this level the country rock here is below the quartzite measures and the veins are cut by diorite dykes the body of the vein quartz in which the copper abounds consists of and blue and green silicates the percentage of copper found in the ore runs from 5 to 10 per cent and associated with the copper in all parts of the vein there is much red iron oxide As a shallow depth is gained however the iron is accompanied with considerable black manganese which is an associate of the copper ores as far as depth has been carried the chief working on this property is at tunnel no 1 where a development tunnel is now in feet and which will be carried feet further if continued in a direct line at which point it will cut the boston 9 1 7 AC 17 A epi dote canyon near boston and machera maghera cop per mine and maghera machera lode feet beneath the surface gaining constantly in depth as it goes forward less than feet from tunnel no 1 the copper lode is cut by a dyke and thrown feet eastward beyond the dyke working tunnel no 2 is 1 S started sta rt ed to open its way along the vein at this second working depth is gained rapidly mu much ch of the first 1000 feet to the eastward will give a gain in depth of foot for foot the situation of this great copper vein is one that favors cheap working and transportation por tation of ores either to the present market at salt lake city forty five miles to the south or for their concentration and general treatment at the foot of the mountain less than a mile from the present main mai n workings the owners of this group are striving to open it up as extensively as possible during the present year each individual owner is preparing to make such sacrifices as the case demands to make neak the property a shipper before snow flies aielt december and the present attitude of those interested indicates that this property is ig destined within two years to become a copper producer of the first magnitude the santa maria group which lies south east of and which joins the boston and maghera machera Ma ghera presents a remarkable vein ay tern tem this property contains fourteen full claims and is now held by a long term bond bona by parties in massachusetts who doubtless will during 1903 begin its development the midland people are now at wo work rk up on their property and it is understood by the writer that their present plan is to begin a tunnel that will be carried forward to cut a copper lead that shows a strong outcrop near the eastern line of this property the midland has also gold bearing veins that will be cut by the proposed tunnel soon to be driven and the work proposed by this company in conjunction with that to be done by the prince of india boston and maghera machera Ma ghera eldorado and santa maria will do much for the permanency and benefit the sierra madre mining district the snowfall of the winter just passed was wag unusually heavy and deep in this district yet but very little damage was done by snow slides and although the volume of f water will be much greater than usual tae underground workings in the mines show no more in ore water than usual owing to the steep incline of these mountains the penetration et is lighter than in any other mountain of equal height in utah in other parts of the district the outlook fo for r the present summer is particularly bright in the northeast quarter or what may be termed the willow creek basin y V k W N dump and middle workings boston and magher copper mine located over the mountain faolu the eldorado on the properties bes being worked by halverson and moore st at r a comparatively shallow depth the owners have uncovered exceedingly good values in copper as also in silver lead gold and antimony this is the condition existing in that part of the group which lies immediately north of willow creek canyon what renders the general conditions so favorable to the cheap and profitable working of the mines of sierra madre mining district is that nearly all of them can be worked by tunnels to great depth while the district is on the main railway lines of the A 3 main workings boston and machera maghera copper mine state and the mines are close to the salt lake ore markets the one thing yet required is more capital with which to push work upon most of the properties now being opened and as that is in sight for several of the prominent ore producers of this locality we may look forward with the expectation that within the next two years sierra madre mountain will become the chief mining camp between park city utah and butte montana |