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Commercial Movement of Zinc and Copper
By Salinger, Herbert
WITH the large amount of metallurgical re- search work now being done and the constant effort of the engineer to effect economies of operation, I think it is a safe prediction that the next few years
Jan 1, 1928
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Plentiful Supply of Nonmetallic Minerals Aids War Effort
By Paul M. Tyler
FOR the same reason that water is not missed until the well runs dry, the roles of many industrial minerals in wartime are often overlooked. In contrast to the growing shortages of many metals, our su
Jan 1, 1942
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Some Criteria For Longwall Selection
By Anthony Sharkey
Introduction In Europe, longwall mining accounts for over 95% of coal produced from deep mines, whereas in the U.S.A., longwall accounts for less than 5% of deep mine coal production. There are many
Jan 1, 1981
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Mining Engineering REPORTER (37f61651-6902-4e0a-9a52-2d2ce6e71bba)
• The Venezuelan Trade Mission to the United States announced that Bethlehem Steel Corp. will begin exporting iron ore from its El Pao concession, south of the Orinoco River in Venezuela, in about thr
Jan 4, 1950
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The Production Control Problem
FOLLOWING the presentation of the papers by Messrs. Mahan and Butler, the discussion printed below ensued. A. C. LANE* With particular reference to the New England con-sumer, I entirely agree with M
Jan 4, 1928
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Preliminary Production Report From the Bureau of Mines
A record $18.7 billion worth of metals, non- metals and fuels was produced in the U.S. during 1962, according to a year-end estimate from the USBM. The 1962 total value, based on preliminary statistic
Jan 2, 1963
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Field Activation Analysis of Uranium Ore Using 252Cf Neutron Source
By Phillip Philbin, Frank E. Senftle
A field neutron activation analysis technique suitable for determining uranium in ores has been tested. The method is based on the measurement of the 74.7 keV gamma ray from 'U. When the thorium/
Jan 1, 1972
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Depression Period Well Past for the Rare Metals and Minerals
By Paul M. Tyler
MARKETWISE the year 1935 was rather a good one for most of the rare and minor metals; as a class they climbed out of the depression much faster than the common metals. The diamond market, too, was bet
Jan 1, 1936
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Reminiscences of Metallurgists and Plants in the San Francisco Area
By ABBOT A. HANKS
WHEN gold was discovered in California, and San Francisco grew almost over night from a handful of people to many thousands, one of the first difficulties experienced was the lack of money. Gold dust
Jan 1, 1931
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Latest Practice In Burning Cement And Lime In Europe
By O. G. Lellep
IN every country economic circumstances prescribe the method used to produce a commodity at lowest cost. In Pennsylvania a man's wages for working 4 hr buys a ton of coal wholesale; in Germany a
Jan 7, 1954
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Rock Salt Mining Operations In Michigan, Ohio, And Ontario
By W. C. Bleimeister
The rock salt deposits of the U. S. occur in five major basins: 1) the Eastern Basin (which includes parts of Michigan, Ohio, Pennsylvania, New York, West Virginia, and Ontario) ; 2) the Gulf Coast Ba
Jan 5, 1961
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Institute of Metals Division - Predicting Physical Properties in Oriented Metals
By E. F. Sturcken, J. W. Croach
A grain orientation distribution function, P(u,F), was developed for use in predicting physical properties in oriented metals. Examples are given of the use of the function to predict thermal expansi
Jan 1, 1963
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Alkaline Leaching
ALKALINE LEACHING; SODIUM HYDROXIDE U.S. 4,091,071 -In the alkaline digestion of bauxite containing goethite, boehmite and/or diaspore, the process is accelerated by adding to the digestion mass an
Jan 1, 1979
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Institute of Metals Division - Constitution of Delta-Phase Alloys of the System U-Zr-Ti
By A. A. Bauer, H. A. Saller, F. A. Rough, J. R. Doig
among uranium alloy systems are the U-Zr, U-Ti,and U-Mo binary systems, in that an intermediate phase, of limited solubility range, exists in each system. These intermediate phase alloys offer a
Jan 1, 1958
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Chicago Engineers Inaugurate Preparedness Campaign
A group of prominent engineers and contractors of Chicago and vicinity have cooperated in forming a Joint Committee on Military Engineering. The founders are members of all of the leading engineering
Jan 5, 1916
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Chicago Engineers Preparedness Campaign
A group of prominent engineers and contractors of Chicago and vicinity have cooperated in forming a Joint Committee on Military Engineering. The founders are members of all of the leading engineering
Jan 5, 1916
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A Corporate Perspective - The Rio Tinto-Zinc Corporation PLC
By Alistair Frame
INTRODUCTION In April 1988 discussions were about to start with BP on the possibility of buying their- mineral interests, and it took a long time to arrange a deal. I will talk about RTZ without BP
Jan 1, 1990
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Oil And Gas Leases
By Rush Greenslade
THE oil and gas lease is the basic contract of the oil and gas industry; it is the foundation stone upon which the producing industry, particularly, is based. As the industry is precarious and highly
Jan 8, 1924
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New York Paper - Oil and Gas Leases (with Discussion)
By Rush Greenslade
The oil and gas lease is the basic contract of the oil and gas industry; it is the foundation stone upon which the producing industry, particularly, is based. As the industry is precarious and highly
Jan 1, 1924
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Production - Foreign - Production in Arabia and Bahrein in 1944 with Summary of Operations Since 1940
By James Terry Duce
The gross production on the Island of Sahreirl during 1944 was approximately 6,700,000 U. S. bbl. No additional wells were drilled in the field during the year, but a number that were plugged off duri
Jan 1, 1945