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Bethlehem Paper - The Geology and Vein-Structure of Southwestern ColoradoBy Theodore B. Comstock
a. Boundaries of the District.—The district here considered comprises that portion of Colorado commonly known as " the San Juan Country." In order to bring the principal geological features of this re
Jan 1, 1887
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Institute of Metals Division - The Niobium (Columbium)-Rhodium Binary System Part II: Crystal Structure RelationshipsBy D. L. Ritter, N. J. Grant, B. C. Giessen
The crystal structures of eight of the nine intermediate phases in the Nb-Rh system were investigated by X-ray techniques. The following structures occur: a,Nb3Rh (Cr3O type);o(ofe - cr type) (H.T. ph
Jan 1, 1964
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PART XI – November 1967 - Papers - Deformation Studies of Thermochemically Deposited Tungsten SheetBy J. E. Spruiell, F. H. Patterson, B. F. Shuler
The microstructures and textures developed by the working of high-purzly thermochemically deposited tungstem sheet have been inuesligated. Greater than 60 pct reduction was required to deslroy the co
Jan 1, 1968
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Production - Domestic - Petroleum Developments on the Gulf Coast of Texas and Louisiana during 1930By L. P. Teas
Although 1930 has been a year of stagnation, proration and curtailment, the Gulf Coast has measured up to its tradition in the matter of interesting and significant discoveries. Only 2 domes and 7 new
Jan 1, 1931
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Mineral And Metal Variations In The Veins Of Fresnillo, Zacatecas. Mexico (73f5b248-424d-410d-b65e-fb8be689daec)By J. C. McCarthy, J. B. Stone
AT Fresnillo a series of veins that has yielded very large quantities of silver and other metals has been developed over a length of 6500 ft. and to a depth of over 3000 ft. In the course of this work
Jan 1, 1942
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Transporting Ore from Mines to Lower Lake PortsBy W. A. Clark, E. H. Dresser
ORE from the Minnesota iron ranges is transported from the mines to the loading docks on Lake Superior over four different railways: the Great Northern, Northern Pacific, Soo Line, and Duluth, Missabe
Jan 1, 1941
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Technical Papers and Notes - Institute of Metals Division - Comparison of Creep-Rupture Properties of Widmanstätten and Equiaxed Structures of Ti-7AI-3Mo AlloyBy W. F. Carew, F. A. Crossley
The stress for rupture in 500 hr at 1000° F has been reported to be about 13,000 psi higher for Widmanstitten than for equiaxed microstructures for the Ti-7A1-3Mo alloy.1,2 Also, limited data indicate
Jan 1, 1959
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Anthracite MiningBy H. H. Otto
COMPARED with 1939, the year 1940 has seen no material change in the production of anthracite. Many factors seem to indicate a stabilized anthracite production of approximately 50 million tons per yea
Jan 1, 1941
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Institute of Metals Division - Viscous Creep of Gold Wires Near the Melting Point - DiscussionBy F. H. Buttner, E. R. Funk, H. Udin
A. P. Greenough (University College, swansea, Great Britain)—I have recently made some experiments on the deformation of silver wire at high temperature in an atmosphere of oxygen-free nitrogen. The o
Jan 1, 1953
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II. Specific Gravity, or Relative DensityBy William E. Ford, Edward Salisbury Dana
296. Definition of Specific Gravity. - The specific gravity of a mineral is the ratio of its density * to that of water at 4' C. (39'2' F.). This relative density may be learned in any
Jan 1, 1922
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Annual Midwinter Meeting, 1930By AIME AIME
THE stage is set for the 1930 Annual Meeting. It will take place in the Engineering Societies Building. Feb. 17, 18, 19 and 20, and an unusual pro- gram of technical papers, symposia, lectures and add
Jan 1, 1930
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New York Paper - Report of Committee on TaxationThe Committee submits the following report: The General Committee met in the Treasury Building at Washington on Oct. 6 and 7, 1919. At the first meeting, Cornelius P. Kelley was appointed chairman,
Jan 1, 1923
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New York Paper - Report of Committee on TaxationThe Committee submits the following report: The General Committee met in the Treasury Building at Washington on Oct. 6 and 7, 1919. At the first meeting, Cornelius P. Kelley was appointed chairman,
Jan 1, 1923
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Review Of The Coal Situation Of The WorldBy George Rice
WITH so tremendous a subject, an attempted review of the coal situation of the world in a short talk must necessarily be of a sketchy character. It is hardly necessary to tell a body of engineers that
Jan 1, 1918
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Engineering Research - Calculation of Theoretical Productivity Factor (T. P. 1352, with discussion)By H. H. Evinger, M. Muskat
A method has been developed whereby one may calculate the productivity factors of producing formations from a knowledge of the reservoir conditions. Account is taken not only of the heterogeneous char
Jan 1, 1942
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Engineering Research - Calculation of Theoretical Productivity Factor (T. P. 1352, with discussion)By M. Muskat, H. H. Evinger
A method has been developed whereby one may calculate the productivity factors of producing formations from a knowledge of the reservoir conditions. Account is taken not only of the heterogeneous char
Jan 1, 1942
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Glen Summit Paper - The Utilization of Puddle- and Re-Heating Slags for Paint-StockBy Axel Sahlin
Since the days of the infancy of metallurgical industries, slags of various kinds have been accumulating. Until a comparatively recent date hardly any employment had been found for these waste product
Jan 1, 1892
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Anthracite Benefits From War Demand and Long-standing Problems Are in Way of SolutionBy J. F. K. Brown
ANTHRACITE?S satisfactory showing in 1942 was accomplished in the face of adverse conditions, such as the loss of man power to the active services and to other industries, and the difficulty and delay
Jan 1, 1943
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Its Everyones BusinessMARCH 15-Industry is rapidly snapping back from another coal crisis, other business news is in general favorable and the outlook through the Spring is by most observers considered quite promising. Mos
Jan 4, 1950