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Papers - Maintenance - Underflux Welding of Mine-locomotive Wheels (T. P. 2111, Coal Tech., Nov. 1946, with discussion)By C. D. Ramsden
During the war years of 1941 to 1945, maintenance of mine locomotives and other mine equipment took the form of rebuilding rather than of renewing. Purchase of new parts became increasingly difficult
Jan 1, 1947
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Washington Paper - The Lewis and Bartlett Bag-Process of Collecting Lead-Fumes at the Lone Elm Works, Joplin, MissouriBy F. P. Dewey
The most serious problem that confronts the lead-smelter is the waste caused during smelting by the volatilization of both lead and silver, which are consequently lost in the form of fume. It is not d
Jan 1, 1890
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The Diastrophic TheoryBy Marcel Daly
THE writer has devoted a number of years to practical operations and to the study of geology in the oil fields. In consequence, he has been brought to investigate the theories advanced to account for
Jan 7, 1916
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Membership (8ce5cbd5-2074-4b4c-b983-16a29197de57)NEW MEMBER, The following list comprises the names of those persons who became members during the period Mar. 10 to Apr. 10, 1915: Members ADAMS, Louis WINFIELD, Supt., Rolling Mills, Lehigh Plan
Jan 5, 1915
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Cost of Reclamation and Mine Drainage Abatement, Elkins Demonstration Project (TRANSACTIONS - VOL. 252 )By R. C. Wilmoth, R. D. Hill, R. B. Scott
A cost breakdown is given for reclamation and mine drainage abatement conducted by the Federal Water Quality Administration's demonstration project near Elkins, W. Va. Costs for construction of c
Jan 1, 1973
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Part II - Papers - Elastic and Allied Models for Energies of Point DefectsBy G. B. Gibbs
Various semiempirical equations which relate defect-formation energies and entropies with elastic and thermal properties of a metal crystal are shown to be related by a simple model for lattice energy
Jan 1, 1968
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New York Paper - The Boulder Batholith on Montana (with Discussion)By Paul Billingsley
The term Boulder batholith was first applied in 1897 by W. H. Weed2 to the extensive mass of granite in western Montana within whose borders occur the ore deposits of Butte. In a general way this was
Jan 1, 1915
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Oil-Field Waters Of The Bradford PoolBy Paul Torrey
THE Northwestern Pennsylvania Oil Producers Association and the United States Geological Survey have cooperated in conducting a pre-liminary study of the character of the flood waters, the relationshi
Jan 1, 1927
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Production - Texas - Oil and Gas Development in West Virginia during 1943By David B. Reger
Sharp declines of initial production of both oil and gas occurred in West Virginia during 1943. There was only a small decrease in the number of ncw wells, but these wells did not show the quantities
Jan 1, 1944
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Production - Texas - Oil and Gas Development in West Virginia during 1943By David B. Reger
Sharp declines of initial production of both oil and gas occurred in West Virginia during 1943. There was only a small decrease in the number of ncw wells, but these wells did not show the quantities
Jan 1, 1944
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Supplement I. To a Catalogue of Official Reports Upon Geological Surveys of the United States and Territories, and of British North AmericaBy Frederick Prime
IN this supplementary list no titles to which an * is prefixed have been seen by the compiler; and he will be most thankful to have any omissions or inaccuracies in the list sent to him to be publishe
Jan 1, 1880
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Contribution of Geophysical Surveys to the Discovery of Stilfontein Gold Mine in South AfricaBy Oscar Weiss
STILFONTEIN and surrounding areas gave negative results in all prospecting attempts since about 1904 when Goerz and Co., a forerunner of Union Corporation Ltd., first drilled in the region and on the
Jan 10, 1951
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Quantitative Efficiency of Separation of Coal Cleaning EquipmentBy W. W. Anderson
A formula for quantitative efficiency is proposed, in which the efficiency value is a function of the improperly distributed material at the gravity of separation effected by the cleaning equipment. T
Jan 2, 1950
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Its Everyones BusinessPUBLIC hearings began before the Committee for Reciprocity Information on May 24, 1950, for the purpose of unearthing data and opinion that will be helpful in the forthcoming reciprocal tariff and oth
Jan 7, 1950
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Simulation Of Shear Behavior Of A Jointed Rock MassBy B. Ladanyi, G. Archambault
It is generally recognized to date that a rational stability analysis of slopes and foundations in rock masses is a desirable but still rather remote goal of rock mechanics.1 In principle, a slope ana
Jan 1, 1970
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Induction Furnaces for Rotating Liquid Crucibles (eac20342-c82b-471b-b67f-13e4d705e37b)By E. P. Barrett
THE high-frequency laboratory induction furnace with a rotating liquid crucible enables research workers to conduct certain investigations heretofore very difficult or impossible to realize because ve
Jan 1, 1938
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Some Features of Current Mining Practices At Kerr-Addison Gold Mines, Ltd.By W. S. Row
This mine is operated at 4000 to 4500 tons daily through a single shaft, with one rock hoist and one service hoist. Latest shaft construction is concrete with wooden dividers. Economics of drifters an
Jan 3, 1953
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New York Paper - Metals and Alloys from a Colloid-chemical Viewpoint (with Discussion)By Jerome Alexander
It is an outstanding fact of Nature that many of the practical properties of substances are dependent, not on their ultimate chemical composition, but on the kind and degree of aggregation of their co
Jan 1, 1919
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The Bunker Hill EnterpriseFor many years the occurrence of gold in the Coeur d'A1ène region had been rumored among the pioneers of the Northwest. It is stated that as early as 1853 gold was discovered in this district by
Jan 1, 1932
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Nevada Earthquake of December 20, 1932By Vincent P. Gianella
THE most intense earthquake on the Pacific coast in the last several years, and probably the second most intense shock to occur in Nevada since it was settled, was felt in many Western States shortly
Jan 1, 1933