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Handling Complex Lead-Zinc Ores at the International SmelterBy W. C. PAGE
AS the pioneer operation treating the mixed lead- zinc-iron ores from the district tributary to the Salt Lake Valley, the International Smelting Co.'s plant has offered an extremely interesting
Jan 1, 1926
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Coal - Cleaning Various Coals in a Drum-Type Dense-Medium Pilot PlantBy M. R. Geer Olds, H. F. Yancey
THE increase in the number of coal-cleaning plants employing dense-medium processes occurring since 1946 is especially interesting when viewed historically. Both sand and magnetite were introduced
Jan 1, 1954
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PART VI - Papers - The Stress Sensitivity of Creep of Lead at Low StressesBy R. C. Gifkins, K. U. Snowden
The value of the index n in power ktivs for the stress sensitivity of minimum creep rale at lead is derived front results drawn from lite literature and from previously unpublished nork on commercial
Jan 1, 1968
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Papers - - Production - Domestic - Oil and Gas Development in Colorado in 1935By C. E. Shoenfelt
There were 110 important discoveries of either oil or gas in Co1orado in 1935. There was, however, further development of the Price structure in southern Colorado and developments since the first of t
Jan 1, 1936
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Papers - - Production - Domestic - Oil and Gas Development in Colorado in 1935By C. E. Shoenfelt
There were 110 important discoveries of either oil or gas in Co1orado in 1935. There was, however, further development of the Price structure in southern Colorado and developments since the first of t
Jan 1, 1936
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Production - Foreign - Petroleum Developments in Bahrein Island and Saudi Arabia during 1936By J. O. Nomland
Bahrein 'Island.—In 1936 the Bahrein Petroleum Co. continued drilling additional wells to further increase production. In all, 39 flowing wells have now been finished and five others are drilling
Jan 1, 1937
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Stabilization - What is the Policy of the Mineral Industry?By C. K. Leith
1 apologize for attempting to talk in a field in which 1 am by no means a specialist, but some of the problems brought up have much in common with other minerals. It touches the field in which we are
Jan 1, 1932
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The Southeast Missouri Lead DistrictBy G. C. Broadhead
THE lead district of Southeast Missouri covers an area of over 3000 square miles, including Maries County on the west, Jefferson on the east, Franklin on the north, and part of Madison on the south, o
Jan 1, 1877
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Bearing Of Price Upon Oil ReservesBy Joseph Pogue
IT is well known that one of the cornerstones of economic theory is the so-called law of supply and demand, which, really, is a group of economic laws, one of which may be succinctly stated A rise in
Jan 3, 1925
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Papers - Domestic Production - Petroleum Development in Southwest, Texas during 1929By O. G. Bell
While all of the Southwest Texas fields lie within the Gulf Coastal Plain this area may be divided into three subdivisions—the Coastal Plain zone proper, the Reynosa Escarpment zone, and the interior
Jan 1, 1930
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Philadelphia, June 1876 Paper - The Southeastern Missouri Lead DistrictBy G. C. Broadhead
The lead district of Southeast Missouri covers an area of over 3000 square miles, including Maries County on the west, Jefferson on the east, Franklin on the north, and part of Madison on the south, o
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Coal-Dust Fired Reverberatories At Washoe Reduction WorksBy Louis Bender
AFTER investigating the work of coal-dust fired reverberatories of the Canadian Copper Co., at Copper Cliff, Ontario, the management of the Washoe Reduction Works decided to experiment with and ascert
Jan 1, 1915
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Mining Methods at Clifton MinesBy F. W. SUTTER
IN order to have ore available on the completion of the beneficiation plant at Clifton and to provide for continuous production while underground development was carried out, it was decided to develop
Jan 1, 1943
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Production In KansasThere are no authentic records of production prior to 1869, although various records report local production and use in 1853 and 1860. Tonnages in Table 68 for the years 1853-1868, both inclusive, are
Jan 1, 1942
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Technical Papers and Discussions - Copper and Copper-Rich Alloys - Structure of Copper-zinc Alloys Oxidized at Elevated Temperatures (Metals Technology, Sept. 1943)By B. J. Nelson, F. N. Rhinos
Studies upon the rates of oxidation of copper alloys containing small quantities of the alloying elementsl,2 have shown that steady growth of the scales at predictable rates is limited to a small conc
Jan 1, 1944
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Technical Papers and Discussions - Copper and Copper-Rich Alloys - Structure of Copper-zinc Alloys Oxidized at Elevated Temperatures (Metals Technology, Sept. 1943)By F. N. Rhinos, B. J. Nelson
Studies upon the rates of oxidation of copper alloys containing small quantities of the alloying elementsl,2 have shown that steady growth of the scales at predictable rates is limited to a small conc
Jan 1, 1944
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New York Paper - The Presence of Gold and Silver ill Deep-Sea DredgingsBy Luther Wagoner
Having given in a former paper1 the results of assays of sea-water, bay-mud, dredgings from San Francisco bay, etc., and believing it might be interesting to extend the work to include some deep-sea d
Jan 1, 1908
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Discussion - Selective Flocculation Of Fine-Grained Iron-Bearing Materials: Principles – Discussion – Dicks, M. L.This excellent, concise paper by Dr. Iwasaki on the principles of selective flocculation for iron ores discusses many of the principles and problems which have occurred in our bench and pilot plant te
Jan 1, 1979
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The Tayeh Iron-Ore Deposits (7a831c99-2875-445a-951c-b6b0307612d7)THOMAS T. READ, Palmerton, Pa. (communication to the Secretary*). -It is much to he regretted that in presenting a further discussion of these deposits, first described by myself' and later discu
Jan 6, 1917
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Positions Vacant (7eba24d0-649e-4877-8ca9-edbf3380b0f3)No. 345.-Assayer. A man 35 years old, or over, experienced in general mineral assaying, particularly of tin and tungsten ores. To locate in Bolivia with a strongly established house. No. 346.-A firm
Jan 10, 1918