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RI 6956 The Tungsten-Cobalt System For Compositions To 85 Atomic Percent Cobalt
By L. A. Neumeier
A refinement of the tungsten-cobalt phase diagram is presented for compositions to 85 at. pct cobalt and for temperatures to the solidus. Preparation of alloys by powder metallurgy methods is describe
Jan 1, 1967
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RI 8833 Increasing the Leaching Rate of Bulk Superalloy Scrap by Melting With Aluminum
By G. B. Atkinson
The Bureau of Mines investigated a method for increasing the leaching rate of bulk superalloy scrap to facilitate recycling and recovery of critical metals such as Ni, Co, and Cr. Three superalloys we
Jan 1, 1983
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RI 3192 Investigation during 1931 of Gases in Manholes in Boston, MA
By G. W. Jones
"INTRODUCTION In a previous reports results were given of a manhole investigation carried out over a period from June,- 1929, to July, 1930, in cooperation with the Edison Electric Illuminating Co. of
Sep 1, 1932
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IC 6301 Automatic Electric Man-Hoist for Slopes or Inclines
By S. H. Ash, E. M. Brooks
"Many of the hoisting slopes at the mines in the State of Washington are driven on extra steep dips. To facilitate hoisting they are driven wide enough to provide two tracks. The cars are handled by h
Jul 1, 1930
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IC 9486 - Handbook for Methane Control in Mining - About This Handbook
By Fred N. Kissell
This handbook describes effective methods for the control of methane gas in mines and tunnels. It assumes the reader is familiar with mining. The first chapter covers facts about methane important to
Jan 1, 2006
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OFR-93-81 Development And Evaluation Of Polymer Modified Portland Cement Concrete Lagging For Mine Openings
By R. D. Eash
The purpose of this research contract was to develop and test a Saran latex modified portland cement concrete lagging to be used as a replacement for wood lagging. The scope of work performed was d
Jan 1, 1980
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Other Nonmetals - Asphalt (Native) (d3144cf4-d320-4865-981a-5659f7f22a8f)
By Michael J. Potter
Native asphalt was produced by five companies in two States, Texas and Utah. Bituminous limestone, used primarily as a paving material for street and road repair, was produced by White Uvalde Mines an
Jan 1, 1985
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IC 6323 Fire-Fighting Equipment and Organization of the Madison Coal Corporation, Glen Carbon, Madison County, Il
By A. U. Miller
Protection against fire is a greater problem at a coal mine, than at an ordinary industrial plant. Generally mines are located in isolated districts and do not have the protection of city fire departm
Jul 1, 1930
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RI 6537 Development of a Rock Stress Monitoring Station Based on the Flat Slot Method of ~Measuring Existing Rock Stress
By Louis A. Panek, John A. Stock
A flat slot is created in rock to cause stress relief effects in a pair of hydraulic borehole pressure cells (previously installed in drill holes above and below the slot ) , which act as sensing devi
Jan 1, 1964
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IC 6368 Mining Practice At The Pecos Mine Of The American Metal Co. Of New Mexico ? Introduction
By J. T. Matson
This paper describing the mining practice at the Pecos mine of the American Metal Co. of New Mexico, a subsidiary of the American Metal Co., Ltd., is one of a series being prepared by the Bureau of Mi
Jan 1, 1930
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RI 9360 - Evaluation of In Situ Cemented Backfill Performance
By D. R. Tesarik
As part of its research program to investigate ways of improving resource recovery and reducing subsidence, researchers from the U.S. Bureau of Mines placed instruments in the B-North ore body of the
Jan 1, 2010
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Local Earthquake Tomography for Imaging Mining-Induced Changes Within the Overburden above a Longwall Mine (5a876fc9-aed5-46e9-8c14-316696a99809)
By E. C. Westman
Three-dimensional velocity tomograms were generated on a daily basis to image mining-induced changes to the overburden above a longwall mine. The hypothesis was that a coherent redistribution of seis
Jan 1, 2008
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OFR-25-81 The Mining Instructional Development Institute
By Kay E. Goldberg
The Bureau of Mines conducted a study to develop and evaluate a training workshop for mine safety training personnel. The workshop was based on the Instructional Development Institute (IDI) which has
Jan 1, 1980
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Mining And Mineral Operations In The New England And Mid-Atlantic States - A Visitor Guide ? Introduction
Minerals are vital to any industrialized civilization. Annually, the United States uses more than 4 billion tons of new mineral materials, or about 40,000 pounds per person-about half being mineral fu
Jan 1, 1976
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RI 4677 Investigation Of Fluorite Deposits Of Babb Vein System, Crittenden And Livingston Counties, Ky.
By A. S. Swanson
The Babb fault vein in Crittenden and Livingston Counties, Ky. (fig. 1), is one of an extensive series of such veins in the Western Kentucky and Southern Illinois fluorspar district. First operated in
Jan 1, 1950
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RI 9128 - Physical Properties and Mechanical Cutting Characteristics of Cobalt-Rich Manganese Crusts
By D. A. Larson
The Bureau of Mines conducted research to develop preliminary engineering data necessary if the cobalt-rich manganese crusts that occur in the Exclusive Economic Zone (EEZ) of the Hawaiian Archipelago
Jan 1, 1987
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OFR-22-88 Development Of A Monorail Bridge Conveyor System
By Guenter F. Lehmann
This report summarizes the results of the development and testing of a prototype monorail suspended bridge conveyor (MBC) system as a method of continuous haulage In underground mining applications. I
Jan 1, 1988
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IC 8599 Injury Experience in Coal Mining, 1969
By Forrest T. Moyer
In 1969, the number of fatal injuries in the coal mining industry was lower than in any previous year and the number of nonfatal injuries was lower than in any preceding year except 1968. Fatal injuri
Jan 1, 1973
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The Mineral Industry Of Other Areas Of South America - Ecuador (3902b9bd-9fd5-46e4-8347-15938adf699a)
Ecuador a gross domestic product (GDP) grew 8% despite a slowdown in production and sales of petroleum, the dominant economic sector. Crude petroleum exports, which amounted to about 35% of total expo
Jan 1, 1981
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Low Temperature Limits For Mixing Recycled Oil, Diesel Fuel, And Ammonium Nitrate To Make Anfo-Type Blasting Agents (6e69c45f-3f72-4773-a111-d810ca70cdb4)
By Thomas C. Ruhe
The Bureau of Mines conducted research to determine the safe operating conditions for using recycled (used) lubricating oil from mining equipment as a partial replacement for diesel fuel to make ANFO-
Jan 1, 2008