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Show INTER-MOUNTA- MINING REVIEW. IN MINING REVIEW INTER-MOUNTA- IN mountain mahogany would make a splendid substitute and at a much reduced cost. There is an unlimited quantity of it in the ranges on both sides of Salt Lake valley, and trees of nine inches in diameter are frequent, with occasional specimens of twelve inches and over. And Western Mining Record. - Devoted to the Mining and Smelting Interests of the Pi'BLiSHKD Inter-Mountai- n West. MILLER & HYSLOP. 20G S. West Temple. Dooly Building. ALEX. HYSLOP. Editor and Manager. Wekkly By GAS ENGINES AND HOISTS. TERMS: (Payable in Advance,) One Year Six Months $2.00 1.00 Three Months 50 hand-windla- ss to foreign countries except Mexico and Canada, $3 per year, postage prepaid. Entered at th Salt Lake City Postoffice as second-clas- s matter. San kepi Francisco Office: on file. 64 and 65 Merchants Exchange, where this paper is E. C. Dake, Agent. Advertising contracts can be made with Chicago Office: 761 Monadnock Building. Salt Lake City, Utah, Nov. 5, 1896. Havre-Rouen-Par- at two-cylind- er is 4o-horse-pow- er. The annual report of Governor Benjamin Franklin of Arizona has been filed with the Secretary of the Interior. m, er The gas engine, which in Europe has almost supplanted the steam A new engine for moderate power, is being used in France for ships. line is 100 feet long, with seven on the The gas is stored in feet draught, and attains a speed of seven knots. steel tubes under a pressure of ninety-fiv- e atmospheres. The engine is a one and is of gas-bo- The first step toward equipping a mine with machinery, says the Engineering and Mining Journal, is usually when the shaft gets to a and or a horse-whipoint beyond the capacity of a the purchase of a hoisting plant becomes necessary. At this stage the matter of first cost is generally the most important; but there are many other considerations, such as the supply of fuel and water, the difficulties of transportation, the site where the engine is to stand, and other points which those who have had experience will readily understand. Where there is no water-powavailable, a steam engine is the first thing to be procured, with its accompanying boiler, and in many cases the transportation and erection of the latter is a formidable undertaking, even where the plant is small. In such cases as these there is now an alternative presented which we think might be adopted in a great many cases. This is found in the gas or oil engine, the use of which is now rapidly extending as its merits are understood and appreciated. While these engines are now being used in large works and built of large sizes, they are especially adapted to small mining plants, owing to their compactness and the absence of the boiler, which is so large a factor in a steam plant. The fuel supply can readily be arranged for; where it is convenient a small gas producer using almost any kind of fuel may be provided, or in other cases the variety of the engine using petroleum or naptha, which is the most easily transported of fuels, can be used. The water supply required with these engines is only for the purpose of cooling the cylinder. The quantity needed is small, as it can be used over and over again, and the quality makes no difference, so long as it will not actually corrode the iron of the cylinder. And the management of the It shows a mineral pro- for the year of $13,978,263 of which $5,200,000 was in gold, but in addition there is an estimated gold product of $600,000 taken The total product out by placer miners and not officially reported. of gold, silver and copper in the twenty years ending June 30th, last, is placed at $127,166,061, an average of a little more than six million dollars a year, but the figures for the year just ended being more than twice the average shows to what an extent the industry has grown. In his report the Governor states that the cattle shipments in the eighteen monthsending June 30th, aggregated 595,359 head; the value of the taxable property in the territory has incerased half a million dollars during the year, and conservative estimates place the valuation of all property at ninety millions. The figures show Arizona to be richer in material wealth and in mineral resources than is currently believed. Governor Franklin says the people want statehood, and with such a showing it is difficult to imagine a logical objection to their obtainiduction engine is easily learned, and the danger of explosion is removed. For all these reasons the operators of mines or quarries who need power in the form referred to will find it to their interest to consider the gas or oil engine, and often to use it. Some very good and comhoists have been designed by different makers, pact types of and out of these it is easy to select one suitable for almost any case. gas-engi- ne EIGHT-HOU- R ng it. Very few people in Utah and Nevada realize what an important element of wealth clothes the south slope of nearly all the mountains of Near the any altitude, and fewer still are aware of its existence. summit of all the mountains in the arid regions are to be seen veritable of the wood that is known as mountain mahogany. It is always on the south slope, and its descent down the mountain side is almost exactly to the same altitude that the pines reach on the northern st ope. It has never been regarded as possessing a commercial value, but it burns better than any ordinary coal; gives forth a bright Maze with little or no smoke and throws out more heat pound for Even after going pound than any but the best grades of anthracite. through what appears to be complete combustion it is unchanged in form and leaves no ash, but is converted into a charcoal that is supecharcrior in heating quality and in the length of time it burns, to the oal of any other wood. When the sap is in the wood it seldom checks but when it is thoroughly seasoned it is as hard, almost, as vitae, and possesses a specific gravity nearly as great. So hard everlast-jng- , a,id compact is its fibre that block pulleys made out of it are and it has been used successfully for mill shafting and for beards. In some instances it has been satisfactorily substituted for iron dies in stamp mills. Its qualities are distinct from other hard woods f fhe temperate zone in that its smaller branches and twigs retain no fkxibilitv, but in nearly every instance where lignum vitae is used the forests lig-nu- m LAW CONSTITUTIONAL. In the habeas corpus proceedings of Albert F. Holden vs. Harvey Hardy, sheriff, which grew out of an agreed case to test the validity of law enacted at the first session of the Utah State Legisthe eight-hou- r lature, the Supreme Court of the State of Utah handed down an opinion on the 29th, ult., unanimously affirming the constitutionality of the act of the legislature, in the decision the powers granted to the legislature by section 6 of article 16 of the constitution of the State of Utah, are reviewed, and are relied upon as a basis of the affirmation. The section is as follows : Sec. 6. Eight hours shall constitute a days work on all works or undertakings carried on or aided by the state, county or municipal governments; and the legislature shall pass laws to provide for the health and safety of employees in factories, smelters and mines. Sec. 7. T he legislature, by appropriate legislation, shall provide for the enforcement of the provisions of this article. The supreme court assumed that the object of the constitutional provision was to protect laborers from the tnjiirious consequences of the prolonged physical effort; and the only limitations placed on the law making power was that such laws must be just and calculated to promote the welfare of the industrial classes. The court finds that the first section of the statute limiting the employment of laboring men in underground mines, is calculated to protect the health of laboring men. 'Hie same amount of effort necessary to successful mining, on the surface and in pure air might not be injurious to the health of an able- - |