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Show G INTER-MOUNTAI- tom of the shaft are the grates, two in number, and of the butterfly type. Each gate is 2 feet wide by 4 feet high, and revolves with a vertical shaft. Each gate is constructed as follows: h Around the round cast steel shaft a core of iron is cast, to which as a central frame are riveted the plates forming the faces of the gate. These plates are of the best flange iron and are inch thick. Three layers are used, one for each face, and one between. At the top of the shafts is located the operating gear. This consists of a horizontal shaft having a worm cast on it and engaging segmental gear-wheekeyed on to ends of vertical shafts. The horizontal shaft has a hand-wheat each end for turning. These gates were manufactured by Silver Bros, of this city. At the east end of the dam an overflow wTasteway is cut through the solid rock ridge. This is 25 feet in width and has its bottom at the flood level of the reservoir. It has ample capacity for carrying off any surplus of flood waters that may ever flow into the reservoir. The reservoir formed by the dam thus described is five miles long by one-ha- lf to three-fourt- h miles wide, and covers 1850 acres to an average depth of over 10 feet. This gives a storage capacity of 838,000,000 cubic feet, or over 19,000 acre-fee- t. By enlarging the dam so as to raise the water five feet higher, as is contemplated in the future, the reservoir will cover an area of over 2400 acres, giving a storage capacity of 1,300,000,000 cubic feet, or nearly 30,000 acre-fee- t. The water after being drawn off from the reservoir is allowed to return to the creek and flow in it for about two miles before being diverted into the companys canal system. The divertare located ing weir and head-gatjust above a very rapid fall in the creeks descent, thus securing all the elevation possible consistent with a short length of canal. The diverting weir, head-gat- e proper, and the waste wreir are all of the same type, with flash boards for gates for controlling and regulating the water. The structures themselves are of crib-wor- k and connected so as to make really but one structure. The cribs are of 8x8 timbers, drift-bolte- d together and filled in with heavy rocks, and the whole structure so heavy and substantial that there is no possibility of its being carried out by floods. The gates are on the west side of the creek. The main canal follows down the canyon for over two miles before emerging and reaching the open valley to be irrigated. The line necessaritly runs through a very rough and difficult canyon, requiring engineering skill of the highest order to successfully overcome all the obstacles. But about d of it could be built as open canal, and the remainder being in pipe-lin- e flumes. The fluming used is a new and unusual type, being patented by Guy Sterling, C. E., of North Yakima, Wash. The section of shell is semicircular, constructed of redwood staves banded with -- inch steel bands, very The similar to wooden stave-pipflume is used along the steep rocky cliffs, supported on high trestles, and winding in and out in places where it JOHN HAYS HAMMOND. would seem impossible to build any structure to carry water. The flume is 6 feet wide on top and carries 3 feet of The most conspicuous figure in the water. It is also used in some places mining wrorld at the present time is where the canal section was first built, but where the difficulty of keeping it in good repair became so apparent that the flume was afterward added. Considerably over one mile of it is used in the canyon. There is also one pipe-lin- e in the form of an inverted siphon for crossing from the east to west side of the canyon. This is of wooden staves banded with steel bands at intervals varying with the head or pressure of water. The pipe is four feet in diameter and has the full capacity of the canal. It is 1967 feet long, and has to withstand a pressure due to a head of 75 feet of water at its lowest point. Here there draw-of- f is a .or blow-of- f valve for emptying the pipe when necessary. The cost of the pipe-lin- e was $9 per foot and it is the first time that pipe of this construction has been used on so extensive a scale. The main canal is designed to irrigate the Kimball creek valley, reaching west and southwest from the mouth of the canyon. Near the mouth of the canyon the east side canal branches off from the other, and crossing the canyon to the east side it reaches the lands in the neighborhood of Goshen on the Rio Grande Western railway. From the connection the main canal has a capacity of 120 cubic feet per second, and the east side canal of 30 cubic feet. The total length of the main canal is over thirteen miles, of the east side canal, six and three-fourt- 24-inc- ls el es one-thir- e. MINING REVIEW N 6-in- mining engineer imprisoned at Pretoria, South Africa, charged with aiding and abetting the late insurrection against the Government of the Transvaal Republic. Hammond is a Californian, and has a wide acquaintance among the members of his profession throughout the West, among w'hom is Mr. J. W. Neill of this city. He is said to receive the highest salary ever paid to a consulting engineer in the w'orld, reports placing the figure at ch hs miles. ; John Hays Hammond, the American JOHN IIAYS HAMMOND. $60,000 per annum. He is about 39 years of age and wras educated at Yale and The original projector and organizer Freiburg. He gained prominence by of the first company was Mr. H. M. his connection writh Government w'ork, McCartney. The chief engineer for the and international reputation through enterprise ever since the inception of his service .at the mines of Sonora, the project has been Mr. O. R. Young. Mexico. William Hammond Hall, the noted conHammond is one of the many Amersulting civil engineer of San Francisco, ican engineers who have been lured to was retained in an advisory capacity South Africa by the princely salaries and examined and approved the plans offered by English s. His for the wrorks. eminent abilities and wide practical The president of the company is Mr. experience w'ere recognized by Cecil Gill S. Peyton, the secretary and treas- Rhodes and he is now at the head of urer Mr. E. G. Rognon. Among others many South African mining enterprominently Identified with the project prises. He practically directs the is Mr. E. E. Crooks. All of these gen- movements of 18,000 men, and has tlemen named, except Mr. Hall, reside twenty mining superintendents, all Calin Salt Lake City. ifornians. Mr. Neill states that he is not at all the sort of a man wTho would MACHINERY NOTES. be likely to engage in any political uprising, and he has probably been sinMr. J. W. Young, Western manager gled out as a victim by the Transvaal for Fraser & Chalmers, returned from Government on account of his relations Oregon last wreek and a few days later left for Colorado. The electric twenty-stam- p with Cecil Rhodes, who is supposed to mill that he erected at Cornu- have had a hand in instigating, the recopia, Or., is. running satisfactorily, cent revolt. Western Congressmen and except for a temporary shortage of mine-owner- are exerting themselves in his behalf, but have yet Fraser & Chalmers have shipped ten been unable to secure his release. stamps to the De Lamar Hammond was president of the mine at De Lamar, Ida., for the Hill and Sullivan Mining comBunker plant that the company has decided to erect. pany, Coeur dAlene, when he was called to South Africa by Sir Cecil The Utah and Montana Machinery Rhodes. company has furnished a the State department w'ater. 750-pou- nd Pala-tan-Clpri- 100-horsepo- ci wer boiler, of 125 pounds pressure, to the Salt Lake Ice company. L. C. Trent visited Mammoth during the week, to look after the placing of twenty additional stamps at the Mammoth mill. He reports the new Sioux mill doing splendid service and handling about eighty tons per day. This nlant wras designed by L. C. Trent & Co., who also furnished a portion of the machinery. Delinquent Assessments. Jones Mining company Salt Lake of one cent per share; City; sale, Saturday, February 1st. Tetro Mining company Salt Lake City; one cent per share; sale, Saturday, February 1st. Alliance Mining company Salt Lake City; 10 cents per share; sale, Monday, one-four- th February 10th. |