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Bulletin 40 The Smokeless Combustion of Coal in Boiler Furnaces
By D. T. Randall, H. W. Weeks
The burning of coal without smoke is a problem that concerns the Government directly because of the advantages of smokeless combustion both in public buildings and on naval vessels. In addition, smoke
Jan 1, 1912
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Mineral Commodity Summaries 1986 - An Up-To-Date Summary Of 87 Nonfuel Mineral Commodities - Significant Events In The Nonfuel Mineral Industry In 1985
The value of domestic raw nonfuel mineral output in 1985 was estimated at $23.7 billion, 2% above the 1984 value of $23.1 billion. This crude mineral output was the basis for approximately $244 billio
Jan 1, 1986
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IC 9182 Human Factors In Mining
By Mark S. Sanders
There is a growing awareness among mining professionals that the human factor plays a significant role in safety and productivity. Since the 1960's, the science of human factors, or ergonomics, h
Jan 1, 1988
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OFR-57(1)-78 Feasibility Studies Of A Bidirectional Auger System And A Machine Mining Plan - Volume I, Bidirectional Auger System
By A. N. Baldwin
This report documents work performed under Bureau of Mines Contract J0265029 to study and develop two innovative mining systems: ? An underground auger capable of augering into the right and left r
Jan 1, 1977
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Mineral Indicators - Aluminum (54f47601-ed26-489e-881f-8c926ea27928)
Martin Marietta Aluminum, Inc. followed Howmet Aluminum Corp., Revere Copper and Brass, Inc. and Anaconda Co. in lifting August prices of 99.5 percent unalloyed aluminum ingot by 3 cents to 56 cents p
Jan 1, 1978
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Mineral Indicators - Aluminum: (f9f69cad-787c-44c8-8d38-3c81f9a69249)
Since early July, domestic producer listings in primary aluminum ingot have been at 53¢ per pound. Dealers, however, lowered their August quotes by 1.8¢-2¢ to 47.5¢-48¢ per pound. BITUMINOUS COAL
Jan 1, 1977
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A Glossary Of The Mining And Mineral Industry. - Introduction.
By Albert H. Fay
This glossary is published by the Bureau of Mines as a contribution to the mining literature in the belief that it will fill a long-felt need. It contains about 20,000 terms; these include both techni
Jan 1, 1920
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Mineral Indicators - Bituminous Coal And Lignite:
Wildcat strikes in the Appalachian coal fields, primarily in West Virginia, have resulted in an estimated 4.5 million ton loss in coal production during July and through the first week in August. Sinc
Jan 1, 1977
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Mineral Indicators - Aluminum (fba062f0-b758-4019-a907-98a7ea196baa)
Since mid-July, most domestic producers have been marketing 99.5 percent unalloyed aluminum ingot at 53-57 cents per pound. Dealers in the United States have recently quoted ingot at 52.3-52.8 cents.
Jan 1, 1978
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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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Mineral Facts And Problems 1965 Edition ? Introduction
By Charles W. Merrill
THE INDUSTRIAL strength and the security of the United States require an adequate, dependable, and continuing supply of raw materials, of which minerals constitute an indispensable segment. With an ex
Jan 1, 1965
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Mineral Indicators By Region
New Copper Deposit in Chile. - The recent copper discovery in Chile, made jointly by U.S.-owned Empresa Minera Utah de Chile, Inc., and Getty Mining Chile), Inc., awaits the passage of Chilean legisla
Jan 1, 1981
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IC 9329 Utilizing Mechanical Linear Transducers For The Determination Of A Mining Machine's Position And Heading: Underground Testing
By Christopher C. Jobes
Computer-assisted control of a mining machine can place the operator in a safe, remote location. A guidance system aids remote positioning of a mining machine by determining its position and heading.
Jan 1, 1992
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IC 9083 Subsidence Investigations Over Salt-Solution Mines, Hutchinson, KS
By Robert C. Dyni
The Bureau of Mines in cooperation with the Solution Mining Research Institute conducted surface and subsurface investigations over five solution-mined salt cavities in the Hutchinson, KS, area. The p
Jan 1, 1986
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Summary Of The 1984 Report Of The Secretary Of The Interior
Many of the difficulties faced by the U.S. mineral industry in 1982 and 1983 emanated from the worldwide recession, from the high value of the U.S. exchange rate, and, in part, from actions taken by f
Jan 1, 1985
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Second Quarter National Economic Statistics, Industry Statistics - Second-Quarter National Economic Statistics
By Keith Harris
The U.S. economy grew moderately in the second quarter of 1985 with real gross national product (GNP) recording a seasonally adjusted annual growth rate of 2.0%, up from the 0.3% growth of the previou
Jan 1, 1985
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IC 7161 Petroleum Refineries, Including Cracking Plants, In The United States, January 1, 1941 ? Introductory Summary - Cruds-Oil Capacity
By G. R. Hopkins
According to the annual refinery-capacity survey of the Bureau of Mines, the number of refineries in the United States showed little change in 1940, increasing from 057 the first of the year to 562 at
Jan 1, 1941
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Abrasive Materials (ABRASIVE MATERIALS- 1993)
By Gordon T. Austin
The combined value of production of natural abrasives, which include tripoli, special silica stone, garnet, staurolite, and emery, increased in 1993. The increase in the value of tripoli production wa
Jan 1, 1993
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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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IC 7707 Black Hills Mineral Atlas, South Dakota: Part 2 (In Two Parts) - Introduction
The Black Hills Mineral Atlas briefly summarizes all important data available on the mines and mineral deposits in the Black Hills that have been explored, developed, mined, or located. The purpose
Jan 1, 1955