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Using Ventilation Control Technology to Reduce Respirable Dust Exposures at U.S. Metal/Nonmetal Mining Operations
By A. B. Cecala
It has long been known that ventilation is a cost-effective method to lower respirable dust concentrations in all types of mining applications. The National Institute for Occupational Safety and Heal
Jan 1, 2006
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RI 9325 - Mitigating Destructive Longwall Bumps Through Conventional Gate Entry Design
By Alan A. Campoli
The U.S. Bureau of Mines evaluated two different conventionallongwall gate entry systems in the Southern Appalachian Basin, where mining and geologic conditions are conducive for coal pillar bumps. Th
Jan 1, 1990
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Advances In Remote Sensing Techniques For Monitoring Rock Falls And Slope Failures
By E. L. McHugh, R. T. Mayerle, J. M. Girard
Ground control problems at surface mining operations can occur for a variety of reasons. Stress, gravity loading, rock strength, geology, pore pressure, weather effects, underground workings, and many
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IC 6863 Falls Of Coal And Rock On Man-Trips In Bituminous-Coal Mines ? Introduction
By C. W. Owings
A few of the more progressive mining companies have taken precautions to safeguard employees or man-trips. Specially constructed men-cars -have been provided with special devices or mechanisms to stop
Jan 1, 1935
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OFR-68(1)-81 An Annotated Bibliography Of Metal And Nonmetal Mine Fire Reports - Volume I
By Robert M. Baker
This document details the method whereby Allen Corporation of America gathered and analyzed data and developed an annotated bibliography of metal and nonmetal mine fire reports (1950-1979). The primar
Jan 1, 1980
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OFR-111-83 Development Of A Prototype Retrofit Noise Control Treatment For Jumbo Drills
By Nicholas R. Dixon
This report summarizes all work performed under Phases I, II and III of U.S. Bureau of Mines Contract H0387006, "Development of a Prototype Retrofit Noise Control Treatment for Jumbo Drills." The nois
Jan 1, 1982
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OFR-127-81 Surface Chemical Technology For Improved Wetting Of Coal Dust
By Nathan Feldstein
The wetting of coal dust by aqueous solutions of surface active agents (surfactants) has been studied. Selected for study were thirty coals and typical surfactants selected from the typical classes of
Jan 1, 1981
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Comparison Of Seismic Tomography, Strain Relief, And Ultrasonic Velocity Measurements To Evaluate Stress In An Underground Pillar
By D. K. Denton, J. M. Girard, D. F. Scott, T. J. Williams
Personnel from the Spokane Research Laboratory, National Institute for Occupational Safety and Health, examined an underground pillar at the Homestake Mine, Lead, SD. Investigations involved strain re
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OFR-203-83 Coupled-Transport Membranes For Metal Separations - Phase V
By W. C. Babcock
This report covers Phase V of .a continuing program to apply a new liquid membrane process called coupled transport to the recovery pf metals from hydrometallurgical leach solutions. During this phase
Jan 1, 1983
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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 8538 Suppression of Coal Dust Explosion by Water Barrier in a Conveyor Belt Entry
By I. Liebman
The Bureau of Mines conducted experiments on coal dust explosion suppression. The investigation took place on a beltway in the double-entry of the Bureau's Experimental Mine. Using conditions tha
Jan 1, 1981
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Improving Silica Dust Controls For Metal/Nonmetal Mining Operations In The United States (fe080889-5ac8-49e7-b306-262ca30478be)
By Ed D. Thimons, Douglas E. Pollock, Andrew B. Cecala, Gregory J. Chekan, Jay F. Colinet, John A. Organiscak
Researchers at the Pittsburgh Research Laboratory (PRL) of the National Institute for Occupational Safety and Health (NIOSH) work to reduce respirable dust exposures in mining operations. One focus o
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RI 7070 New England Beryllium Investigations
By William R. Barton
Sampling to determine development potential of beryllium deposits was conducted at 31 New England localities. A total of 54 additional areas where the geochemical environment appeared favorable were s
Jan 1, 1968
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RI 8931 - Deposition of Nickel-Cobalt Alloys by Controlled-Potential Electrolysis
By J. L. Holman
The Bureau of Mines is conducting research to improve technology for the recovery of strategic and critical metals, such as cobalt, nickel, and chromium, that are lost in bulk and particulate superall
Jan 1, 1985
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RI 7431 Evaluation Of Chemical-Cartridge Respirator Face Fit
By Harold A. Watson
A method for measuring leakage of vapors into a chemical-cartridge half-mask facepiece during simulated use is described. The respirator, fitted with high efficiency cartridges, is worn in a dichlorod
Jan 1, 1970
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RI 3440 Reclamation Of Stripped Coal Land (562de5e2-d1ec-435f-b520-6a08692e4239)
By Albert L. Toenges
A phase in strip mining of bituminous coal is the overturning of the surface of the land. The purpose of this report is to acquaint the operators and others interested in stripping with the work that
Jan 1, 1939
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IC 6875 Sand And Gravel Excavation: Part 5: Motor-Truck Haulage, Conveyor-Belt Haulage, Pumps And Pipe Lines, Barges And Towboats, Aerial Trams - Introduction
By J. R. Thoenen
This circular is part 5 of the third paper (entitled "Excavation") of a series summarizing the technical problems involved in the production and preparation of sand and gravel. Part 1 discussed the us
Jan 1, 1936
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RI 4991 Water Flooding In The Oil Fields Of Anderson, Franklin, Linn, And Miami Counties, Kans. ? Introduction And Summary
By J. P. Powell
The increased costs of exploration and drilling of new oil fields and the continued success of water flooding in nearly depleted oil fields have created a demand for information on the results obtaine
Jan 1, 1953
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Backfilling Of Cavities Resulting From Borehole Mining - Objective
As part of the overall development of a borehole mining system -develop backfilling techniques to reduce possible damage to the environment caused by either the cavities or the piles of sand tailings
Jan 1, 1981
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OFR-23-80 Investigation Of A Reliable Central Lubrication System For Underground Mining Equipment
By M. S. Fleming
The objective was to evaluate central lubrication systems for potential use on underground mining equipment. Previous use on continuous mining equipment resulted in poor system performance because of
Jan 1, 1979