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RI 7740 Refining Improvement Of Shale-Oil Naphtha
By L. K. Barker
The purpose of this research was to determine how much, if any, improvement would be made by subjecting hydrogenated shale-oil naphtha to a catalytic reforming process. Preselected ranges of temperatu
Jan 1, 1973
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Extreme Multiple Seam Mining In The Central Appalachian Coalfields
Coal has been mined in the central Appalachian coalfields of southern West Virginia, western Virginia, and eastern Kentucky for more than a century. The dwindling reserve base consists in large part
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IC 6949 Shaft- And Slope-Bottom Lay-Outs At Coal Mines - Introduction
By Robert L. Anderson
A shaft or slope bottom is that portion of a mine that is contiguous to the bottom of the main hoisting shaft or slope. It includes the terminal tracks for loaded-and empty-car storage, locomotive run
Jan 1, 1937
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IC 9504 - Keeping Knees Healthy in Restricted Work Spaces: Applications in Low-Seam Mining
By Susan M. Moore
Many challenges are faced by workers in lower-seam (42 inches or less) mines. The lower-seam heights confine mine workers to their knees as they perform their daily tasks such as installing roof bolts
May 1, 2008
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RI 5235 Estimate Of Known Recoverable Reserves And Preparation Characteristics Of Coking Coal In Fentress County, Tenn. ? Conclusions ? Reserves
By R. W. Lowe
1. Reserves are estimated in the Nemo, Sewanee, Wilder, and White Oak beds of Fentress County, Tenn. The Wilder is the only bed being mined commercially and contains the largest known reserves. Eleven
Jan 1, 1956
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RI 5988 Underground Blasting Accident Involving An Air-Placed Ammonium Nitrate-Fuel Oil Mixture ? Introduction
By R. W. Van Dolah
A premature detonation of an explosive charge occurred on January 30, 1961, at a face being prepared for blasting in the underground Jefferson Island Salt Mine, Diamond Crystal Salt Co., Jefferson Isl
Jan 1, 1962
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RI 3550 Cooperative Fuel Research Motor-Gasoline Survey, Summer 1940 ? Introduction
By E. C. Lane
[This is the tenth in a series of retorts on properties of commercial motor fuels, made in accordance with a cooperative agreement between the Cooperative Fuel Research (C.F.R.) Committee e end the Bu
Jan 1, 1941
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OFR-158-81 Ground Fault And Overcurrent Protection Criteria For Coal Mine AC Distribution Systems
By John A. Kiefer
Ground fault and overcurrent protection criteria for coal mine a.c. distribution systems were examined under a Bureau of Mines funded investigation. The report begins with a literature review which di
Jan 1, 1980
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RI 3550 Cooperative Fuel Research Motor-Gasoline Survey, Summer 1940 ? Introduction (55d3ddae-a85f-4eb2-b0bc-548af54ddd18)
By E. C. Lane
["_'_-is is t`-e tenth in a series of retorts on proferties of cornmerci-al motor fuels, m,-_de in accord^nce ::ith a cooper: tine aSreement between the Cooperative Fuel scorch (C.F.R.) Committo
Jan 1, 1941
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IC 8832 Automatic Fire Protection Systems For Surface Mining Equipment
By William H. Pomroy
Fire on surface mining equipment is a serious hazard to life and property. The Bureau of Mines, through a program of contract and in-house research, has developed and in-mine demonstrated reasonably p
Jan 1, 1980
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RI 3510 Cushioned Blasting - 1. Orienting Studies
By A. R. T. Denues
"INTRODUCTION The Explosives Division of the Bureau of Mines, United States Department of the Interior, is investigating cushioned blasting at the Explosives Testing Station, Bruceton, Pa. The general
May 1, 1940
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RI 8454 Utilizing the Magnetic Fraction of Raw Refuse With Shredded Automobile Scrap in Cupola Gray Iron
By V. R. Spironello
The Bureau of Mines is involved in research directed toward the utilization of municipal solid waste. One of the primary objectives is the recycling of the magnetic fraction of municipal solid waste (
Jan 1, 1980
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Minor Metals And Minerals - Arsenic
By Arnold M. Lansche
DOMESTIC OUTPUT of white arsenic, As2O3, was derived entirely as a byproduct of smelting arsenic-containing copper ores by The Anaconda Company at Anaconda, Mont., and American Smelting and Refining C
Jan 1, 1965
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RI 2979 Odor Intensity And Symptoms Produced By Commercial Propane, Butane, Pentane, Hexane, And Heptane Vapor ? Hazard Of Contaminated Atmosphere
By F. A. Patty
[Health and safety hazards from contamination of the atmosphere in places frequented by persons depend to a considerable extent on whether the contaminating agent possesses sense-perceptive properties
Jan 1, 1929
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IC 8611 Thermodynamic Data For Air Preheaters In Direct Coal-Fired Magnetohydrodynamic Power Generation Systems
By F. E. Spencer
Calculated equilibrium data are presented for three phases in the flue gas stream from a hypothetical open cycle MHD generator. A typical coal is "burned" with 1.0 gram-mole K2O seed per kilogram coal
Jan 1, 1973
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RI 3033 The Action of Sulphur Dioxide on Manganese Oxides at Elevated Temperatures (812e3a3a-4fa4-451e-b693-5c77977e70f5)
By C. W. Davie
"This paper is the second of a series of progress reports4 on a study of the hydrometallurgy of manganese which is being conducted in an endeavor to make possible utilization of the large deposits of
Oct 1, 1930
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RI 3706 Some Tools & Methods Used in Cleaning Oil Wells, CA
By G. B. Shea
"INTRODUCTION Much of the recent progress in increasing the efficiency of oil-well performance can be attributed to advancements in the art of cleaning wells. Through research and development by opera
May 1, 1943
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IC 8877 SIC-Based Demand Information System For Nonfuel Minerals
By George K. Schenck
This Bureau of Mines publication describes and evaluates a Standard Industrial Classification (SIC) based end-use data system for minerals that is designed to link the demand for minerals to economic
Jan 1, 1982
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OFR-7-95 Executive Summary Of The U.S. Bureau Of Mines Investigations In The Colville Mining District, Alaska ? Introduction
By Mark P. Meyer
During 1991 through 1993, the U.S. Bureau of Mines (Bureau) -Alaska Field Operations Center (AFOC) in cooperation with the Bureau of Land Management (BLM) -Arctic District Office and the State of Alas
Jan 1, 2011
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Plastic And Swelling Properties Of Bituminous Coking Coals - Introduction
By R. E. Brewer
A critical review of the numerous test methods that have been devised for measuring the "plastic" and "swelling" properties of bituminous coking coals and the practical evaluation of the data obtained
Jan 1, 1942