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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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IC 6389 Platinum
By Paul M. Tyler, R. M. Santmyers
Platinum and its allied metals osmium, iridium, rhodium , palladium, and ruthenium are the most costly of the better-known metals and combine properties that make them unique among the elements . For
Feb 1, 1931
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Bulletin 56 First Series of Coal Dust Explosion Tests in the Experimental Mine
By W. L. EGY, GEORGES. RICE, L. M. JONES, J. K. CLEMENT
This report has been prepared, not only for the purpose of recording the results of the first series of coal-dust tests conducted in the experimental mine of the Bureau of Mines, but also to place bef
Jan 1, 1913
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OFR-5-74 Summary Of Heavy Metals Study At San Juan Ridge, Nevada County, California
By Russell R. McLellan
The Tertiary channel gravel deposits in northern California were selected Or detailed investigation by the U. S. Bureau of Mines as part of a national program to locate potential sources of gold that
Jan 1, 2012
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Mineral Commodity Summaries 1993 - Significant Events In 1992 - U.S. Mineral And Material Industry
The mineral Industry, following the economy as a whole, experienced little growth in 1992. However, with modernized plants, efficient workforces, and lower operating costs, the industry is well positi
Jan 1, 1993
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Minerals In The U.S. Economy: Ten-Year Supply-Demand Profiles For Mineral And Fuel Commodities (1966-75) - U.S. Minerals Supply/Demand Flow Diagrams And Tables
The accompanying supply/demand flow diagrams and 10-year tables for mineral and fuel commodities present essential data required by government, industry, and others to formulate policies and programs
Jan 1, 2012
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RI 4667 Report Of Research And Technologic Work On Explosives, Explosions, And Flames Fiscal Year 1949
By Bernard Lewis
This report summarizes the fundamental research and technical studies conducted by the Explosives Branch of the Bureau of Mines from July 1, 1943, to June 30, 1949. It is the thirteenth of a series of
Jan 1, 1950
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IC 8977 Chromium Availability - Market Economy Countries - A Minerals Availability Program Appraisal
By P. R. Thomas
The Bureau of Mines determined the costs associated with the production of chromium, in the form of chromite and high-carbon ferrochomium, from the demonstated resources of 10 market economy nations.
Jan 1, 1984
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Government Actions And The Mineral Industry (ba40e91d-832c-4471-a383-9ef763c7e535)
Arsenic.--Inorganic arsenic has been added to the Environmental Protection Agency's list of hazardous air pollutants because of a high probability it can cause cancer. EPA estimates that inorgani
Jan 1, 1980
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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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Mineral Facts And Problems 1960 Edition ? Introduction
By Charles W. Merrill
AN ADEQUATE, dependable, and continuing supply of raw materials is indispensable to tile the United States and its industries in meeting the needs of an expanding Population, a rising standard of livi
Jan 1, 1960
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New Technology For Longwall Ground Control - Proceedings: U.S. Bureau Of Mines Technology Transfer Seminar
By Christopher Mark
This proceedings volume contains papers presented at W U.S. Bureau of Mines (USBM) technology transfer seminars on New Technology for Longwall Ground Control. These seminars were conducted in Washingt
Jan 1, 1994
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OFR-56-75 Early Warning System Of Impending Rock Failure For Safety In Mines And Excavations
By A. L. Podia
The purpose of this research was to develop a system capable of detecting changes in the structure of rocks, leading to failure of mine roofs, and/or excavations. A prototype system was developed,
Jan 1, 1973
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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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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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Mineral Indicators - Aluminum (4f66e2e8-882d-4f3f-b5c8-6e72d1ac7837)
Workers at Anaconda Aluminum Company's primary aluminum smelter at Sebree, Ky., were back on the job December 1, after agreeing to a new 3-year contract. The old contract had expired November 15.
Jan 1, 1980
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OFR-9(1)-80 Handbook For Surveys Of Inhalation Contaminants In Above-Ground Metal And Nonmetal Mining And Processing Work Areas
The objective of this handbook is to provide the inspector with guidance for recognizing hazards from inhalation contaminants in above ground work areas of underground and surface metal and nonmetal m
Jan 1, 2011
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RI 3231 Dry Cells and Their Application to Mining
By A. B. Hooker, E. J. Coggeshall
"Dry cells are modified wet primary cells in which the electrolyte is held by absorbent material so that it does not spill aid the cell jars are sealed to prevent evaporation of the absorbed electroly
May 1, 1934
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Bulletin 135 Combustion of Coal and Design of Furnaces
By Henry Kreisinger, F. K. Ovrrz, C. E. Augustine
The Bureau of Mines is conducting investigations to determine how fuels belonging to or for the use of the United States Govern- ment can be utilized with greater efficiency. As a result of these inve
Jan 1, 1917
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RI 3658 Progress Report – Metallurgical - 53 - Possible Substitutes for Nickel in the Present Five-cent coin
By C. Travis Anderson
"Nickel is an essential metal in stainless steel, armor plate, and nickel steels and also in nonferrous alleys, such as monel metal and cupre-nickel, which are used in marine service. Nickel is one of
Aug 1, 1942