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Prospecting in Ontario-the Swayze District
By William B. Millar
IN ONTARIO development of the gold mines is being rapidly pushed, while the intensity of the search for new mines has probably not been equaled at any time in the past. Even to outline the results of
Jan 1, 1933
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St. Louis Paper - The Zinc Ores of the Joplin District (with Discussion)
By W. Geo. Waring
The winning of zinc and lead ores from the comparatively shallow deposits of the Joplin district presents few such problems for the mining engineer as are encountered in deep ore mining and in the han
Jan 1, 1918
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Increasing the Extraction of Oil - Ten Years' Application of Compressed Air at Hamilton Corners Pa., with Core Studies of the Producing Sand (with Discussion)
By C. R. Fettke
In 1914, the officials of the Brundred Oil Corpn., faced with the problem of introducing new methods to increase production in the old and nearly depleted pools of Venango County, became interested in
Jan 1, 1928
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PART IV - Elastic Constants and Young's Modulus of NiAI
By R. J. Wasilewski
Elastic constants have been determined on single crystals of maximum-melting-temperature NiAl compound (50.6 at. pct Al) at 25°C. Temperature variations of Young's modulus in the three principal
Jan 1, 1967
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Underground Mining - Computer-Aided Solution of Complex Ventillation Networks
By L. W. Saperstein, Y. J. Wang
The development of computer programs to solve complex ventilation networks has reached a point of refinement where these programs become a necessary tool of the ventilating engineer. Such a program is
Jan 1, 1971
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Program Of Chicago Meeting
The program of 'the Chicago meeting, which is to be held Sept. 22-26, is as follows: Monday. Morning-Registration. Afternoon-Technical Session. Evening Smoker. Tuesday. Morning and Afternoon-
Jan 6, 1919
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Slovenliness (240628c2-5eff-4604-a247-d0b763cb47b1)
By T. A. Rickard
Slovenliness is as reprehensible in words as in clothes. Much writing that we recognize as poor in style is merely sloppy. Just as some students postpone the necessary shave or forget to change their
Jan 1, 1931
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Canadian Paper - Remarks on Mine-Surveying Instruments, with Special Reference to Mr. Dunbar D. Scott's Paper on their Evolution, and its Discussion.
By H. D. Hoskold
I. Instrument-Parts and Implements. Cross-hairs ; Stadia-measurement; Fineness of Graduation ; Cylindrical Gradu ation ; Nonius; Vernier ; One Vernier or two ; Leveling-Screws ; Troughton & S
Jan 1, 1902
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Magnesium Alloys - Factors Affecting Abnormal Grain Growth in Magnesium-alloy Castings
By H. E. Elliott, R. S. Busk, A. T. Peters
One of the problems of the fabricator of metals and alloys is the propensity of some composition rarnges toward abnoermal grain growth during certain stages of fabrication. In this respect magnesium a
Jan 1, 1945
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Production - Domestic - Developments in the California Oil Industry during 1938
By V. H. Wilhelm
In contrast with the previous year's activity, the California oil industry for 1938 showed a decrease in drilling, market demand, and discovery of new oil reserves, although there was an increase
Jan 1, 1939
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Production - Domestic - Developments in the California Oil Industry during 1938
By V. H. Wilhelm
In contrast with the previous year's activity, the California oil industry for 1938 showed a decrease in drilling, market demand, and discovery of new oil reserves, although there was an increase
Jan 1, 1939
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65. Ore Deposits at Butte, Montana
By Gordon B. Brox, Joseph F. Mcaleer, Charles C. Goddard, Edward P. Shea, Robert G. Ingersoll, Lester G. Zeihen, George J. Burns, John M. Guilbert, Richard N. Miller, Charles Meyer
The Boulder batholith is a composite intrusive in which the Butte quartz monzonite is the dominant rock type. Quartz porphyry dikes intruded the quartz monzonite in directions which were subsequently
Jan 1, 1968
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Driving Headings In Rock Tunnels.
By W. L. Saunders
(New Haven Meeting, February, 1909.) This paper deals specifically with heading-driving as distinguished from the broader term tunnel-driving. A heading is a pilot or path-finder for the main tunnel.
Apr 1, 1909
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Chattanooga Paper - Memorandum Relating to the Construction Account of the Rail Mill of the Edgar Thomson Steel Company, Pittsburgh, Pa
By P. Barnes
The sums given in the accompanying table are those actually paid for material and labor up to about August, 1875; but, as some parts of the machinery were not wholly completed at the starting of the w
Jan 1, 1879
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Memorandum Relating to the Construction Ac¬count of the Rail Mill of the Edgar Thomson Steel Company, Pittsburgh, Pa., 1874-75.
By P. Barnes
THE sums given in the accompanying table are those actually paid for material and labor up to about August, 1875; but, as some parts of the machinery were not wholly completed at the starting of the w
Jan 1, 1879
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Discussion – Supplement To Technical Publications No. 1782 - Symposium On Cohesive Strength – Class C, Iron Steel Division, No. 372; Class E, Institute Of Metals Division, No.449 - Bridgman, P. W.
P. W. BRIDGMAN.-Owing to a misunderstanding, I did not see Dr. McAdam's and Dr. MacGregor's remarks on my paper on Flow and Fracture (Metals Technology, December 1944, Pp. 32-38), until afte
Jan 1, 1945