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RI 8836 - Removal of Cyanide and Metals From Mineral Processing Waste Waters
By J. E. Schiller
The Bureau of Mines is investigating methods to treat waste water that contains cyanide. This report describes a new method that removes heavy metals and all forms of cyanide. In the first step, hydro
Jan 1, 1983
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RI 9432 - Rock Mechanics Investigations at the Lucky Friday Mine (In Three Parts)
By M. E. Poad, J. K. Whyatt, T. J. Williams
Researchers at the U.S. Bureau of Mimes monitored rock mass response to mining of an experimental underhand longwall stope in Hecla Mining Co.'s Lucky Friday Mine, Mullan, ID. This stope design,
Jan 1, 1992
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The Mineral Industry Of The Islands Of The Caribbean - Aruba
By Ivette E. Torres
Aruba, formerly a. part of the Netherlands Antilles, separated on January I, 1986, and became an autonomous part of the Netherlands. Full independence of the island from the Netherlands is scheduled f
Jan 1, 1989
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Evaluation Of The SKC® DPM Cassette For Monitoring Diesel Particulate Matter In Coal Mines
By James D. Noll, Eileen Birch
In a previous study, the e?cacy of commercial and prototype impactors for sampling diesel particulate matter (DPM) in coal mines was investigated. Laboratory and ?eld samples were collected on quartz-
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Nonfuel Minerals Survey Methods
The Bureau of Mines Minerals Information organization collects worldwide data on virtually every commercially important non fuel mineral commodity. These data form the base for tracking and assessing
Jan 1, 1984
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IC 7281 The Burning Rate Of Fuse - Introduction
By D. Harrington
Educational campaigns conducted by the manufacturers of explosives, the Bureau of Mines, mining companies, and safety organizations have contributed greatly in reducing accidents caused by explosives
Jan 1, 1944
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RI 3018 Gravity Concentration on Certain Florida Phosphatic Sands
By H. M. Lawrence
"Florida, the State that supplied 82 per cent of the phosphate rock sold in the United. States in 19284, has two producing areas - the hard-rock and the land pebble districts. Production of the hard-r
Jul 1, 1930
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IC 6245 Effect of Abnormal Air Conditions on Mine Workers
By R. R. Sayers
"The number of investigations reported during the past year indicates that control of the health hazard due to abnormal air conditions is still a matter of serious consideration in the mining, metallu
Feb 1, 1930
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Coal Mine Inertisation By Remote Application
By M. A. Trevits, I. R. Houlison, A. C. Smith, T. P. Mucho
Timely and rapid intervention to underground combustion events (fires, explosions, and spontaneous combustion) is the key to the successful control of the mine atmosphere and restoring of a coal mine
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Bulletin 179 Abstracts of Current Decisions on Mines and Mining
By J. W. Thompson
ESTATE IN MINERALS. Minerals beneath the surface may be made the subject of separate ownership either by a grant of the minerals by the owner of the land or by a grant of the land excepting the miner
Jan 1, 1919
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Simplified Hyperspectral Imaging for Improved Geologic Mapping of Mine Slopes
By Edward L. McHugh, Louis J. Denes, Jami M. Girard
A prototype portable hyperspectral imager that operates in the visible and near-infrared ranges of the electromagnetic spectrum was field tested at an open-pit mine. The tests were sponsored by the
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OFR-29-88 Aluminum And Silicon Interference During The Carbon Monoxide Reduction Of Laterite Ores To Extract Nickel And Cobalt
By Dhanesh Chandra
[The U.S. Ucparunent of tlIe III LeriOr, Bureau of 1?Ilnes, lnta dcvcltil- (I a m.?tl,nd to extract nickel, i:ob.tll and IlIIicr Valuc:l,1, mrl?tl., lrom I.ow grad:, dumusI it Inlet itc.: :isin;; a ra
Jan 1, 1979
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OFR-29(2)-83 High Angle Conveyor Study - Volume II
By E. A. Mevissen
With the ever increasing consumption of mineral commodities, the vital question is not whether sufficient mineral quantities will be available, but rather can the known existing low grade resources be
Jan 1, 1981
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RI 3678 Use Of Wetting Agents In Reducing Dust Produced Buy Wet Drilling In Basalt
By John A. Johnson
"INTRODUCTION The use of wet drilling with adequate ventilation has largely controlled production of dust in drilling rock; however, in some operations, such as shaft sinking and modern tunnel driving
Jan 1, 1943
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RI 5393 Washability Study Of Coal From Mary Lee Bed, Maben, Ala. ? Summary And Introduction
By H. L. Riley
At the Southern Experiment Station, Tuscaloosa, Ala., reports are prepared from time to time on results of washability studies of coal from important beds in the Southern Appalachian region. The inves
Jan 1, 1958
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RI 5985 Pulse-Forming Circuitry For Explosives Research - Summary
By M. L. Bowser
Pulse-forming circuitry is described for use in explosives research that requires precise synchronization and control of events in order to investigate detonation parameters. Included are pulse genera
Jan 1, 1962
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IC 9483 - Water Well Safety Bits - Health and Safety Information for the Water Well Industry
By Dana C. Reinke
A job analysis is a written list of the tasks associated with doing a particular job. In drilling, describing the steps associated with adding rod to the drill steel would be an example of a task asso
Jan 1, 2005
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RI 3866 Recovery of Cobalt from Manganese Ores in the Production of Electrolytic Manganese 1. Cobalt Content of Manganese Ores. By David Schlain 2 Seperation and Electrodeposition of Manganese and Cobalt from Manganese Electrolytes
By R. G. Knickerbocker, David Schlain, F. K. Shelton, J. H. Jacobs
"Many manganese ores contain from 0.1 to several percent cobalt. If such ores arc used for the production of ferromanganese, the cobalt is lost; on the other hand, if they are used for the production
Apr 1, 1946
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Numerical Analysis Of The Influence Of In-Seam Horizontal Methane Drainage Boreholes On Longwall Face Emission Rates
By S. J. Schatzel, W. P. Diamond
High methane emissions originating from the active face areas and from the fractured formations overlying and underlying the mined coalbed can adversely affect both safety and productivity in undergro
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Acknowledgments - References
Work on this program was supervised by R. C. Streeter, Project Scientist, R. K. Young, Principal Investigator, and R. A Glenn, Project Director Technicians involved in the conduct of the experimen
Jan 1, 1971