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RI 3043 Use and Value of Air Analyses in Ill. Mines
By A. U. Miller
"Ventilation is one of the meet important factors in mining, although until recent years less thought has probably been given to effective ventilation than to any other one phase of mining. In the pas
Oct 1, 1930
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OFR-4(2)-72 Industrial Engineering Study Of Hazards Associated With Underground Coal Mine Production - Volume II - Data And Charts ? I. Introduction
Presented in this volume are the basic mining techniques and production operations associated with underground bituminous coal mining. Chapter 2, "Multiflow Process Charts", presents, in sketch fo
Jan 1, 1971
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RI 9259 - Impact of Water Sprays on Scrubber Ventilation Effectiveness
By Jon C. Volkwein
The U.S. Bureau of Mines conducted a study to assess the impact of a directional water spray system on a unique single inlet dust scrubber on a low-profile mining machine. Tests were conducted in a fu
Jan 1, 1989
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RI 8130 Dust Dispersal by Explosion-Induced Airflow - Entrainment by Airblast
By J. M. Singer
In this Bureau of Mines study coal and rock dust beds were entrained by airblasts generated by gas explosions at the closed end of a 0.61-m-diameter explosion tunnel, 49.7 m long. The system was desig
Jan 1, 1976
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IC 8204 Mining Methods And Costs, Mouat Mine, American Chrome Co., Still Water County, Mont.
By Paul M. Price
The Mouat mine, Nye, Mont., was reopened in 1953 by the American Chrome Co. under a Defense Minerals Production Administration contract. Operations were terminated in 1961 after completion of the cont
Jan 1, 1963
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IC 9216 In Situ Leach Mining - Proceedings: Bureau Of Mines Technology Transfer Seminars, Phoenix, AZ, April 4, And Salt Lake City, UT, April 6, 1989
As part of its research on advanced mining technology, the U.S. Bureau of Mines emphasizes studies on in situ leach mining. This research enables the Bureau to develop technical information that can a
Jan 1, 1989
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RI 5969 Radiation Hazards Encountered In Arc Melting Thorium ? Summary
By R. R. Lowery
This project was proposed to provide information on the hazards associated with arc melting of thorium. A general air-sampling analysis was made to determine the separation, concentration, and distrib
Jan 1, 1962
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Employment And Injuries In The Metal And Nonmetal Industries (58fc3dbe-5b2b-45ce-9d71-7c1d0c924625)
By Forrest T. Moyer
INJURY experience and employment data are presented in this chapter for metal and nonmetal mines, stone quarries, sand and gravel pits, iron blast-furnace slag plants, and metallurgical plants (includ
Jan 1, 1963
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RI 2735 The Value Of Leakage Tests On Natural-Gas Transmission Lines. ? Introduction
By E. L. Rawlins
Systematic leakage surveys of natural-gas transmission lines not only aid in the conservation of gas, but can be made to show direct financial returns of large magnitude. 1. Such surveys reveal th
Jan 1, 1926
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IC 6870 Coal-Mine Explosions And Fires In The United States During The Fiscal Year Ended June 30, 1935 ? Introduction
By D. Harrington
The experience of the past 2 years has demonstrated clearly that mine explosions with heavy loss of life can be prevented. The investigations of the Safety Division of the United States Bureau of Mine
Jan 1, 1936
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Modeling Of Hand-Arm Vibration - Introduction
By Akul Joshi, Ming C. Leu, Robert Guttenberg, Susan L. Murray
The aerospace and automotive industries are facing a significant risk for cumulative trauma disorders from high-repetition, long-duration tasks. Additional risk factors such as shocks, vibrations and
Jan 6, 2006
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IC 8033 Mining And Furnacing Mercury Ore At The New Idria Mine, San Benito County, Calif. ? Introduction And Summary
By R. K. Linn
The New Idria Mining and Chemical Co. owns and operates the New Idria mine in southern San Benito County, Calif. During 1957-59, the New Idria mine was the largest producer of mercury in the United St
Jan 1, 1961
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Factors Affecting The Development Of Mine Face Ventilation Systems In The 20th Century
By W. Reed
During the 20th century, the increased emphasis on worker health and safety and the advent of new mining equipment and methods led to many changes in mine face ventilation practices. Efforts by gover
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The Modern Evolution of Hearing Conservation Regulations
By Theresa Y. Schulz
It is interesting to study the noise standards that have been promulgated in the US over the last decade or so. These regulations are likely to have long-lasting impact. The Occupational Safety and He
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A New Method To Clean Dust From Soiled Work Clothes
By J. L. Howell, D. E. Pollock, A. B. Cecala, A. D. O’Brien
Dust from worker,s clothes has been shown to be a problematic source of personal dust exposure. A recently completed effort between NIOSH and the Unimin Corporation has resulted in a quick and effecti
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Minor Metals And Minerals - Cesium And Rubidium
PRODUCTION of cesium, cesium salts, and rubidium salts in the United States declined somewhat from 1961 levels; rubidium production was virtually unchanged. Imports of pollucite declined because consu
Jan 1, 1963
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Stope Design Considerations Using Rock Mass Classification Tools At The Xstrata Zinc George Fisher Mine
By Jeremy P. Doolan, Leigh B. Neindorf, Geoff W. Capes
The development and use of rock mass classification tools have been a key component for improving stope design over the past 4 years at the Xstrata Zinc George Fisher Mine in northern Queensland, Aust
Jan 5, 2007
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Reducing Enclosed Cab Drill Operator’s Respirable Dust Exposure With Effective Filtration And Pressurization Techniques
By Michael Schmitz, Eugene Ahrenholtz, William A. Heitbrink, Jeanne A. Zimmer, Andrew B. Cecala, Ernest S. Moyer, Earle H. Andrews, Chris C. Coppock, John A. Organiscak
Many different types of surface mining equipment use enclosed cabs to protect equipment operators from health and safety hazards. The overburden removal and mining process can be extremely dusty and c
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RI 8005 Methane Ignition by Frictional Impact Between Aluminum Alloys and Rusted Steel
By D. H. Desy
The Bureau of Mines has conducted research on the ignition of methane-air mixtures by sparks caused by frictional impact of aluminum alloys on rusted steel at typical coal mine fan speeds. The objecti
Jan 1, 1975
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RI 6004 Radioisotopes As Tracers In Volatilization Studies Of Selenium And Tellurium ? Summary And Introduction
By J. V. Batty
Radioisotopes of selenium (se78) and tellurium (Te123) were successfully employed by the Bureau of Mines as tracers in metallurgical research directed to developing improved methods for volatilizing t
Jan 1, 1962