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RI 9448 - Seismicity and Stress Changes Subsequent to Destress Blasting at the Galena Mine and Implications for Stress Control Strategies
By P. L. Swanson, F. M. Boler
The U.S. Bureau of Mimes conducts research at the Galena Mine, Wallace, ID, with the aim of mitigating the effects of rock bursting. Destress blasting is commonly used as a stress control technique at
Jan 1, 1993
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RI 3509 Stemming In Metal Mines - Progress Report 1 ? Conclusions
By John A. Johnson
Conclusions regarding the use or omission of stemming in blasting have not peen reached, pending completion of all aspects of this investigation. The results from the dust phase of this study on s
Jan 1, 1940
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RI 3509 Stemming In Metal Mines - Progress Report 1 ? Conclusions (a64bba20-48b7-4945-b4f4-f2b26063d019)
By John A. Johnson
Conclusions regarding the use or omission of stemming in blasting have not peen reached, pending completion of all aspects of this investigation. The results from the dust phase of this study on s
Jan 1, 1940
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RI 8975 - Determination of Alpha Quartz Particle Distribution in Respirable Coal Mine Dust Samples and Reference Standards
By C. W. Huggins
The objective of this Bureau of Mines research was to compare the size distribution of respirable quartz collected at coal mines with that of several reference standards used to quantify quartz in coa
Jan 1, 1985
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IC 8820 Supply Analysis Model (SAM): A Minerals Availability System Methodology
By Robert L. Davidoff
Growing domestic and global demands for mineral resources have established an imperative need for developing comprehensive, versatile mineral supply analysis evaluation tools. The Minerals Availabilit
Jan 1, 1980
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RI 8914 - Effect of Drilling Fluids on Permeability of Uranium Sandstone
By Jon K. Ahlness
The Bureau of Mines conducted laboratory and field experiments to determine tne amount of permeability reduction in uranium sandstone after its exposure to different drilling fluids. Seven polymer and
Jan 1, 1984
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OFR-155-82 Longwall Mining Principles For Safely Working Steep Coal Seams
By Roger F. J. Adam
This report summarizes the principles of safely working steep coal seam using longwall mining methods. It presents the state-of-the-art and identifies the problems which result from seam inclination.
Jan 1, 1981
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Bulletin 169 Illinois Mining Statues Annotated
By J. W. Thompson
BURYING DEAD MINERS. BURYING BODIES OF DEAD MINERS. REVISED STATUTES (HURD) 1874, P. 263. SEC. 22. LIABILITY OF RAILROADS, ETC., FOR BURIAL EXPENSES.-When any railroad company, stage or any steamboat
Jan 1, 1919
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RI 8885 - Pilot Mill Flotation of Serpentinized Platinum-Palladium Ore From the Stillwater Complex
By E. Morrice
The Bureau of Mines investigated methods for beneficiating platinum-palladium ores from the Stillwater Complex, Montana. Results of bench-scale and pilot-scale studies employing froth flotation to rec
Jan 1, 1984
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RI 3584 Diesel Engines Underground ? III. Effect On Exhaust-Gas Composition Of Operating Engines In Mixtures Of Normal Air And Natural Gas ? Introduction
By Martin A. Elliott
Recommendations for safe practices in the operation of Diesel engines underground must take into consideration the hazards that might be created if the composition of the underground atmosphere differ
Jan 1, 1941
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RI 3584 Diesel Engines Underground - III. Effect On Exhaust-Gas Composition Of Operating Engines In Mixtures Of Normal Air And Natural Gas
By Martin A. Elliott
Recommendations for safe practices in the operation of Diesel engines underground must take into consideration the hazards that might be created if the composition of the underground atmosphere differ
Jan 1, 1941
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RI 3353 Earth Vibrations Caused By Quarry Blasting - Progress Report I ? Introduction
By J. R. Thoenen
This paper outlines briefly results of seismic measurements recorded in the vicinity of quarry blasting under practical operating conditions. The data cover field work done from January to the middle
Jan 1, 1937
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Solutions to Prevent Materials-Handling Injuries in Underground Coal Mines
By Brian P. Stapleton, Bill M. Stewart, Joel R. Warneke, Curtis C. Clark
Of the 28 accident/injury classifications listed by the Mine Safety and Health Administration, handling materials is second only to roof falls in terms of generating the highest number of reportable a
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Improved Noise Measurement - The Objective:
To be able to continuously monitor the noise to which underground workers are exposed as a better way to help prevent hearing damage. The Approach: The Bureau of Mines has developed a Time-Res
Jan 1, 1975
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RI 3190 Economics Of Potash Recovery From Wyomingite And Alunite -Introduction
By J. R. Thoenen
Up to 1914 almost all of the world's supply of potash came from Germany and Alsace. With the cessation of shipments from Germany during the World War the importance of a domestic suppler was evid
Jan 1, 1932
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RI 4763 Preparation Characteristics Of Coal Occurring In Indiana County, Pa.
By William L. Crentz
This study of the preparation characteristics of the coals in Indiana County, Pa., is the second in a series of Bureau publications appraising the Nation's coking-coal reserves by counties and th
Jan 1, 1951
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IC 9391 Response Of Hydrology To Underground Coal Mine Subsidence-Literature Assessment And Annotated Bibliography
By Liane L. M. Kacinuck
This U.S. Bureau of Mines publication is intended to provide mining industry representatives and regulatory authorities with a reference package dealing with studies on hydrology and underground mine
Jan 1, 1994
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OFR-9(4)-72 Coal Mine Rescue And Survival System - Volume IV - Program Evolution And Management ? 1. Introduction
This final report summarizes the effort on a very aggressively scheduled and demanding development program undertaken by Westinghouse for the U.S. Bureau of Mines under Contract No. H0101262. The obje
Jan 1, 1971
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OFR-16-81 Development Of Lightweight Air Powered Drill Tool For Probe Drilling In Anthracite Mines
By William H. Hamilton
This report describes the results and conclusions of the development and evaluation of a unique concept for a lightweight air powered drill tool for probe drilling in anthracite mines. A concept mo
Jan 1, 1979
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OFR-33-76 Remote Control For Continuous Miners: A State-Of-The-Art Review
By L. D. Gent
This report reviews the current state of the art of remote control techniques for underground continuous miners. A delineation of aspects requiring additional data is presented. Also a summary and del
Jan 1, 1975