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Index Of Selected Gasification Patents (In Three Parts) II. United Kingdom, Australian, Canadian, And South African Patents - Introduction
THE Synthetic Liquid Fuels Act (30 U.S.C., 321-325, and amendments) became law April 5, 1944, and a period of intensive research and development in this field was begun by the Federal Bureau of Mines.
Jan 1, 1962
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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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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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Third-Quarter National Economic Activity And Fourth-Quarter Outlook - Third-Quarter 1987
By Joan Weinberg
The economy continued to expand during the third quarter, as real GNP rose at a seasonally adjusted annual rate of 3.8%, up from 2.5% in the second quarter (table 1). Continued job gains (see below),
Jan 1, 1987
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Government Actions And The Mineral Industry (258f39ae-c1a2-4cc1-9367-34f38d87beb5)
Duty on Lead Reduced. -On December 28, the President signed H.R. 5047 which reduces the duty on unwrought lead from 3.5% ad valorem to 3% ad valorem, with a floor level of 1.0625 cents per pound, effe
Jan 1, 1980
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Mineral Commodity Summaries 1996 - Significant Events, Trends, And Issues - The Mineral Sector Of The U.S. Economy
The U.S. economy and, consequently, the demand for minerals grew at more moderate rates in 1995 compared with stronger performances the previous year. Demand for metals such as steel and copper was re
Jan 1, 1996
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IC 7674 Safe Storage, Handling, And Use Of Commercial Explosives In Metal Mines, Nonmetallic Mines, And Quarries (Revision Of Information Circular 7380) ? Introduction
By D. Harrington
This paper is a revision of Information Circular 7380, by D. Harrington and J. H. East, Jr., published in 1946, entitled ?Safe Storage, Handling, and Use of Commercial Explosives in Metal Mines, Nonme
Jan 1, 1954
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Review Of Literature On Effects Of Breathing Dusts With Special Reference To Silicosis - Introduction
By D. Harrington
Dust diseases are much before the public at present, but little reliable information on the subject is readily available to the layman; even those rated as experts usually have a more or less theoreti
Jan 1, 1937
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RI 9448 - Seismicity and Stress Changes Subsequent to Destress Blasting at the Galena Mine and Implications for Stress Control Strategies (9844d375-659f-4a7e-a5c0-a9fa2020e7d7)
By F. M. Boler
The U.S. Bureau of Mines conducts research at the Galena Mine, Wallace, ID, with the aim of mitigating the effects of rock bursting. Destress blasting is commonly used as a stress control technique at
Jan 1, 2010
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Mineral Commodity Summaries 1995 - Significant Events, Trends, And Issues - The Mineral Sector Of The U.S. Economy
A stronger U.S. economy stimulated the domestic mineral sector in 1994. Metals demand was spurred by robust U.S. motor vehicle sales, while demand for major industrial minerals rose in response to hig
Jan 1, 1995
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Bulletin 201 Prospecting and Testing for Oil and Gas
By R. E. Collom
The commercial development of petroleum and natural gas fields has reached its present status within 60 years and is still considered by some operators to be "100 per cent wildcatting." 1 A tendency t
Jan 1, 1922
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IC 6186 Mining Methods and Costs, Alaska-Juneau Gold Mining Co., Juneau, Alaska
By P. R. Bradley
This paper is one of a series , dealing with mining methods and costs , sponsored and published by the U. S. Bureau of Mines . Papers of this series are written by engineers and executives of mining c
Oct 1, 1929
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Carbonizing Properties: British Columbia, Matanuska Valley (Alaska), And Washington Coals And Blends Of Six Of Them With Lower Sunnyside (Utah) Coals ? Introduction
By J. D. Davis
THIS-report gives results of in investigation of the carbonizing properties of 18 coals, including 2 from Alaska, 12 from British Columbia, 3 from Washington, and 1 from Utah. Each coal was carbonized
Jan 1, 1952
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Mineral Indicators - Aluminum (7a99cb78-6776-4877-ab4a-dd794d43f903)
The Aluminum Company of America announced a temporary reduction of the operating rate at its primary aluminum plant at Palestine, TX where it is developing a new process to produce aluminum metal by e
Jan 1, 1979
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Bulletin 202 Electric Brass-Furnace Practice
By H. W. Gillett, E. L. Mack
Prior to 1911 the literature on melting brass by electricity consisted entirely-save for some suggestions made in patent literature but not actually worked out-of a few observations by farseeing men '
Jan 1, 1922
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OFR-122(5)-78 Advancing Oil Shale Mining Technology: Program Evaluation - Economic Mine Models
By G. F. Kuncir
This volume was prepared in support of an evaluation of the Advancing Oil Shale Mining Technology Program performed by The Aerospace Corporation under a Bureau of Mines contract. The evaluation is des
Jan 1, 1977
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The National Economy, Raw Nonfuel Minerals, And Processed Mineral Materials - National Economic Statistics
By Edward E. Johnson
The U.S. economy made significant progress in 1984. The current-dollar gross national product (GNP), the market value of the Nation's output of goods and services, increased almost 11 percent ove
Jan 1, 1985
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OFR-67(1)-75 Characterization Of The Structural Behavior Of Rock Masses - Volume 1
By L. R. Herrmann
The research described in this report is the first phase of a comprehensive program for the development of a characterization for the structural properties of rock masses. The mathematical expression
Jan 1, 1974
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Mineral Commodities Studies 1979 - An Up-To-Date Summary Of 90 Mineral Commodities ? Aluminum
1. Domestic Production and Use: In 1978, 12 companies operated 31 primary aluminum reduction plants, with 3 firms accounting for 65% of production capacity. Washington, Oregon, and Montana accounted f
Jan 1, 1979
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Bulletin 139 Control of Hookworm Infection at the Deep Gold Mines of the Mother Lode, CA
By Joseph H. White, DR. JAMES G. CUMMING
This report presents the results of an investigation of hookworm infection in the deep gold mines of the Mother Lode, California. In this investigation 1,440 miners of the Mother Lode have been examin
Jan 1, 1917