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RI 9337 - Coal Mine Entry Intersection Behavior Study
By K. Hanna
This U.S. Bureau of Mines report describes a rock mechanics instrumentation program conducted in a shallow underground coal mine in central Illinois. This research program was designed to provide a ba
Jan 1, 1991
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RI 5404 A Study Of The Feasibility Of Hydraulic Transport Of A Texas Lignite ? Summary
By G. C. Lammers
The object of this study was to determine the economic feasibility of hydraulically transporting Sandow (Tex.) lignite 100 miles and dewatering and thermally drying the transported lignite to a surfac
Jan 1, 1958
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RI 4746 National Annual Diesel-Fuel Survey, 1950
By O. C. Blade
Consumption of Diesel fuel oil in the United States has increased very rapidly during recent years. At the present time approximately 5 percent of the crude oil refined in this country is said to be p
Jan 1, 1950
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Using Ultrasonic Anemometers to Evaluate Factors Affecting Face Ventilation Effectiveness (ebe65260-4aab-4939-845f-5e7e1a1d173b)
By Robert J. Timko, Charles D. Taylor, Edward D. Thimons, Tom Mal
A test system was developed for measuring airflow in the National Institute for Occupational Safety and Health (NIOSH) ventilation gallery using a three-axis ultrasonic anemometer. The gallery was us
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RI 3444 Measurement Of Pressures On Rock Pillars In Underground Mines ? Part I ? Introduction
By Leonard Obert
The ultimate object of this investigation is to develop a method for determining the pressure, in- situ, on rock mine pillars, arches, end other mire structures. The preliminary investigations of Bure
Jan 1, 1939
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RI 8059 Composition of Lead Sinter
By W. M. Dressel
In producing feed for a lead blast furnace, concentrates analyzing 70 to 80 pct Pb are sintered to produce a physically acceptable low-sulfur product which contains only about 50 pct Pb. Mixtures of P
Jan 1, 1975
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RI 3512 Contributions To The Art Of Smelting Lead Products ? Introduction
By Virgil Miller
Bureau of Mines Reports of Investigations 3244, 3245, 3246 and 3264 give data of detailed studies on smelting in the lead blast furnace handling zinciferous charges at Trail, B. C. The present paper g
Jan 1, 1940
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RI 3512 Contributions To The Art Of Smelting Lead Products ? Introduction (fb340d72-fba1-44d8-9b49-1ffab736015e)
By Virgil Miller
Bureau of Mines Reports of Investigations 3244, 3245, 3246 and 3264 give data of detailed studies on smelting in the lead "blast furnace handling zinciferous charges at Trail, B. C. The present paper
Jan 1, 1940
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RI 8521 Fire Resistance Test Method for Conveyor Belts
By M. J. Sapko
A moderately scaled apparatus was developed by the Bureau of Mines to determine the fire resistance characteristics of mine conveyor belts and similar type materials. The design of the apparatus was b
Jan 1, 1981
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RI 7936 Reducing Surface Hot Shortness of Copper-Containing Steels Using Silicon Additions and Controlled Reheating Conditions
By Mark I. Copeland
This study was conducted by the Bureau of Mines to determine the effect of steel reheating practices in burning natural gas on the amount of silicon required to prevent the formation of copper on stee
Jan 1, 1974
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IC 8085 Equipment, Accessories, And Procedure For Fighting Mine Fires With High-Expansion Foam ? Introduction
By R. Ward Stahl
Fire is still a scourge of the mining industry, although many precautionary measures have been and are being taken to reduce the incidence of fires and to combat them. Generally, the success of fire e
Jan 1, 1962
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Evaluation Of A Novel Fire Blocking Gel To Prevent And Suppress Mine Fires
By Alex C. Smith
The National Institute for Occupational Safety and Health (NIOSH) and Northwest Barricade LLC (NWB) conducted a study to evaluate the effectiveness of a novel fire blocking gel for use in underground
Jan 1, 2010
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IC 8797 Mine Health And Safety Contract Research, Development, And Demonstration In Fiscal Year 1979
This publication summarizes, for potential contractors and other interested parties, the research, development, and demonstration contract projects programed by the Bureau of Mines for fiscal year 197
Jan 1, 1979
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RI 8137 Geological Factors Affecting Methane in the Beckley Coalbed (2e2347d7-d43b-42eb-8bc8-a385afc5f7a0)
By J. T. Popp
This Bureau of Mines study reviews the geological factors that affect methane in the Beckley coalbed in southern West Virginia, including overburden, coalbed structure, type of and changes in litholog
Jan 1, 1976
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IN FOCUS?Cable bolts: a ?new support?
By Thomas P. Mucho
Cable bolts are emerging as the newest ?twist? for roof support in U.S. underground coal mines. For decades cable bolts installed in underground metal mines in the United States and Canada used cement
Jan 1, 1998
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RI 7785 The K2HfF6-K2ZrF6-1.25 Percent HF System At 40° C With Other Solubility Curves From 25° To 70° C
By Stanley C. Rhoads
The Bureau of Mines investigated the complete ternary system K2 HfF6¬K2ZrF6-l.25 weight-percent HF at 40° C. In addition, solubility curves have been established at 25°, 30°, 500, 60°, and 70° C. Thes
Jan 1, 1973
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IC 8035 Bibliography Of Investment And Operating Costs For Chemical And Petroleum Plants, January-December 1960 ? Introduction
By Sidney Katell
This cost bibliography, covering the period from January through December 1960, is a continuation of the series which began with the publication of Information Circular 7516 in October 1949. It is als
Jan 1, 1961
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RI 4830 National Annual Diesel-Fuel Survey, 1951
By O. C. Blade
The use of Diesel fuel as a source of power is continuing to increase in the United States. The latest available figures indicate that refineries are delivering in excess of 10,000,000 barrels of this
Jan 1, 1951
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RI 3070 A Study of Falls Of Roof and Coal in Mines in the Number 8 Field of Eastern Ohio
By L. N. Plein, J. W. Paul
"The United States Bureau of Mines, in the interest of the prevention of injuries and fatalities in coal mines, has engaged in a study of the circumstances and conditions under which falls of roof and
Mar 1, 1931
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A Review Of Recent Accidents Involving Explosives Transport
By Richard J. Mainiero, James H. Rowland
When most people think of explosives transport they think of a hazardous operation. We all know that we aren’t allowed to transport explosives through tunnels and are discouraged from traveling throu