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The Coal-Mines and Plant of the Stag Canon Fuel Co., Dawson, N. M.By JO. E. SHERID
THE Dawson coal-mines are owned and operated by the Stag Canon Fuel Co., of which Dr. James Douglas is President and E. L. Carpenter general manager. The property is situated in Colfax county, N. M.,
Jun 1, 1909
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Nonmetallic Industrial Minerals.By Oliver Bowles
A HEAVY gel of bentonite clay has been proposed as an effective lubricant to speed down the ways to sea, river, or lake, the mighty cargo ships now hitting the water at the rate of about three a day.
Jan 1, 1943
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Industrial Minerals - Lightweight Aggregate Industry in OregonBy N. S. Wagner, R. S. Mason
The production of lightweight aggregates in Oregon is a new industry, and, like all new enterprises, it is suffering from growing pains characterized by numerous, small operations some of which flouri
Jan 1, 1950
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The Parral-Tank System Of Slime-Agitation.By Bernard MacDonald
Introduction. OF the treatment of the slime-pulp of gold- and silver-ores by cyanidation, agitation is an essential part. When prepared for treatment, this pulp, consisting of ore reduced to such fin
Apr 1, 1912
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59. The Geology of the Iron King MineBy Arthur R. Still, Paul Gilmour
The ore deposit of the Iron King mine occurs in a group of steeply-dipping metamorphosed eugeosynclinal volcanic and sedimentary rocks of Precambrian age. Within this sequence, the ore deposit lies at
Jan 1, 1968
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Mining and Milling Utah Rock AsphaltBy R. C. FLEMING
MINING rock asphalt for use as a paving material is an industry which has grown with the spread of the good roads movement. "Mineral Industry During 1930" reports asphaltic pavements constructed, incl
Jan 1, 1933
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Bearings on Mine Motors and PumpsBy William F. Boericke
CONSIDERABLE waste of oil and grease in lubricating motors and other machinery results from the use of bearings that are not totally enclosed. There is also the likelihood of damage to the bearing thr
Jan 1, 1926
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Some Things We Don't Know about the Creep of MetalsBy H. W. Gillett
UNLIKE most previous Howe lecturers, I had not the good fortune to be associated with Henry Marion Howe, nor to be directly one of his students. Yet, through his writings, he has been my teacher, as h
Jan 1, 1939
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The Girod Electric Furnace, and the French Works Using the Paul Girod Steel-ProcessBy Wilhelm Borchers
IN all special branches of the chemical and metallurgical industries, in which large electric furnaces became necessary for carrying out new processes or for the improvement of old ones, the developme
Jan 1, 1910
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Mining and Economic Conditions in the Tri-State' DistrictBy J. C. HEILMAN
THE Tri-State district, named from its situation in three States, lies in the northeast corner of Oklahoma, the southeast corner of Kansas and the adjacent part of Missouri east of the common corner o
Jan 1, 1931
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RadiumBy Moore, Richard B
PROBABLY no other metal excites as much interest, among both scientific men and the general public, as radium. This is due partly to the high cost of radium salts and partly to the peculiar properties
Jan 8, 1918
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Minerals Processing - Materials HandlingBy A. T. Yu
The energy crisis and the resurgence of mining activities highlighted 1972-73. Added to the impetus for more effective materials handling systems has been the continued upward trend of inflation and l
Jan 2, 1974
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Transportation. Maintenance, Ventilation Get Increasing AttentionBy John W. Buch
IN my review a year ago I pointed out that a small coal-mining companies as well as large had decided that the so called ?central shop? was a benefit. These central shops replaced in a large measure t
Jan 1, 1943
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World Developments in Electrolytic ZincBy Arthur Zentner
THE essentials of the electrolytic zinc process, as now used in commercial plants, date back to work done by Letrange in 1881. He used sulfuric acid to leach roasted sulfide and ,oxide ores, purified
Jan 1, 1929
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Employer Practice Regarding Engineering Graduates ? EJC Committee on Economic Status of the Engineer Submits Preliminary ReportBy AIME
SUPPLEMENTING surveys of the engineering profession regarding salaries and advancement, based upon data from individual engineers, a survey through a questionnaire to employers of engineers has recent
Jan 1, 1947
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Electric Mine-Hoists.By D. B. RUSHhIORE
I. INTRODUCTION. OF primary importance in mine-installations is the hoist, which has a very direct bearing on the successful operation of a mine. Conditions vary greatly with different mines, and esp
May 1, 1910
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Part IX – September 1969 – Papers - Tensimetric Determination of Thermodynamic Functions in the Ni-Co SystemBy J. Kucera, J. Vreštál
DIFFERENT authors1 ' have been engaged in meas-uring the vapor pressure of pure cobalt. The results of their measurements satisfy the expected temperature dependence of vapor pressure and are in
Jan 1, 1970
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Water-Chief Problem in Anthracite MiningBy S. H. Ash
IN no part of the world other than a small area in Pennsylvania is anthracite mining an industry of major magnitude. As the deposits of anthracite in the United States are limited virtually to Pennsyl
Jan 1, 1941
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Los Angeles Entertains the EngineersJOINT convention week has become a feature of the year with western mining men. The first was held at Denver in 1926, the second at Salt Lake City in 1927, and the third is about to take place at Los
Sep 1, 1928
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Life at a Cyprus Copper MineBy Victor G. Hills
CONTRARY to what seems to be the general impression, the island of Cyprus was not named for the metal copper, but the reverse was the case. The origin of the name is entirely lost. The ancient city Ki
Jan 1, 1926