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Mineral Indicators - Aluminum (1be79343-8f77-4124-87c3-6887d4c4a923)
Electric power curtailments resulting from the coal strike, required Noranda Aluminum, Inc. to shut down its 140,000 ton-per-year (tpy) primary aluminum smelter at New Madrid, Mo., and layoff 308 work
Jan 1, 1978
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OFR-53-77 Analytical Investigation Of Electromagnetic Fields In Mine Environments - Preface
By James R. Wait
An attempt is made here to collect together various reports and publications that are based on research supported all or in part by Contract No. H0155008 for the past two years. The subject matter dea
Jan 1, 1976
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1977 Mineral Production Summarized
For the sixth year in a row, the value of nonfuel mineral raw materials produced in the United States set a new record, reaching almost $17 billion in 1977. Data provided by the Bureau of Mines show t
Jan 1, 1978
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IC 8913 Dolomite Refractories, And Their Potential As Substitutes For Imported Chromite
By Timothy A. Clancy
To help reduce the Nation's dependence on imported chromite, the Bureau of Mines is conducting research on the use of dolomites as an alternate material. Dolomite is a plentiful domestic resource
Jan 1, 1983
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Commodity Data Summaries 1977 - An Up-To-Date Summary Of 95 Mineral Commodities ? Aluminum
Domestic Production and Use: In 1976, 12 companies operated 31 primary aluminum reduction plants, with 3 firms accounting for 63% of production capacity. Washington, Oregon, and Montana accounted for
Jan 1, 1977
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Mineral Indicators - Aluminum: (34aea1b0-8707-476d-a608-b15875f18c04)
During the period January 1, 1977 through July 31, 1977, 5 percent (264,000 tons) of U.S. capacity was closed due to power curtailments in the Pacific Northwest because of the shortage of water. Durin
Jan 1, 1977
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Fourth-Quarter 1986 Economic Activity And First-Quarter 1987 Outlook - Fourth Quarter And 1986
By Keith L. Harris
Real2 gross national product (GNP) grew at a seasonally adjusted annual rate of 1.3% in the fourth quarter and at 2.5% for all of 1986, according to the most recent Department of Commerce estimates ta
Jan 1, 1987
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OFR-50-76 Survey On Protective Canopy Design - 1. Introduction
By R. Farrar
The survey work on protective canopy design was conducted in a 2-month period commencing November 15, 1973. The reported re¬sults under this contract are intended to provide guidance to coal mine oper
Jan 1, 1974
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Third Quarter 1983 Performance Of The U.S. Economy
The U.S. economy showed further strength during the third quarter of 1983, continuing the upward trend discussed in the last two issues of Minerals and Materials. The National Association of Purchasin
Jan 1, 1983
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Countries And The Minerals Industry
U.S. Gold Commission Established. - The President, with the authorization of Congress, has named a gold commission made up of 17 individuals, most of them Government officials, to study U.S. policies
Jan 1, 1981
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Operation Of Electrolytic Manganese Pilot Plant, Boulder City, Nev. - Part I. Pilot-Plant Operation - Introduction
By J. H. Jacobs
This report records a chapter in the history of the development of an electrolytic manganese industry in the United States. Nearly all the manganese requirements of the United States have been import
Jan 1, 1946
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OFR-136-78 Propagation Of EM Signal In Underground Mines
By Terry S. Cory
This report is a comprehensive summary of the results of the propagation measurements program conducted for the US Bureau of Mines under Contract H0366028. Data was gathered in the MF frequency range
Jan 1, 1977
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RI 7320 The Sysrem Al4C3-AlN-Al203 - Powder Forming And Sintering Behavior, Phase Identification, And Refractory Composition Properties
By Jack L. Henry
The ternary system A14C3-AIN-Al203 has been examined to determine compositions which may display desirable high-temperature refractory properties. Powder methods were employed in the synthesis of all
Jan 1, 1969
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Bulletin 233 Protection of Oil and Gas Field Equipment Against Corrosion
By R. Van A. Mills
Rapid deterioration and destruction of metal equipment in oil and gas fields cause waste of resources and financial losses that must be lessened or eliminated if operations in many important fields ar
Jan 1, 1925
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IC 7830 Bibliography Of Zirconium - Supplement To Information Circular 7771 ? Introduction
By Eleanor Abshire
This bibliography is the second in a series that covers the current technical literature relating to the metallurgy of zirconium. The rapid advance in zirconium technology makes it mandatory that abst
Jan 1, 1958
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RI 9467 - Improved 6.8L Furnace for Measuring the Autoignition Temperatures of Dust Clouds
By Ronald S. Conti
A new U.S. Bureau of Mines 6.8-L ignitability furnace was used to study the thermal autoignitability of dust clouds. This furnace has a quartz window to allow observation of the early stages of the ig
Jan 1, 2010
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IC 6740 Economic Aspects of Gold and Silver
By Scott Turner
The monetary metals , gold and silver , have recently been the object of such general interest that the United States Bureau of Mines has received many inquiries regarding them . Though requests for t
Jul 1, 1933
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RI 3816 Effects of Boron in Steel
By A. J. Williams, R. B. Corbett
"INTRODUCTION This investigation was undertaken to obtain information concerning the effects of boron in steel and its method of addition, so that boron, which is readily obtainable domestically, may
Jun 1, 1945
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RI 9418 - Canopy and Base Load Distribution on a Longwall Shield (14a010d7-73b6-499e-aefd-dc1cae4d5747)
By Thomas M. Barczak
This US. Bureau of Mines report examines the roof and floor contact pressure provided by the interaction of a shield with the surrounding strata. Controlled forces were applied to an 800-ton two-leg s
Jan 1, 2010
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Zinc Smelting From A Chemical And Thermodynamic Viewpoint - Introduction
By C. G. Maier
The fundamental chemistry of zinc smelting, especially that part dealing with the chemical reduction of the zinc-oxide content of a roasted zinc ore, has been discussed by metallurgists in some detail
Jan 1, 1930