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Bulletin 217 Preparation Transportation and Combustion of powdered coal
By JOHN BUZARD
In the following pages the writer has endeavored to give an account of the many methods, advantages, and disadvantages of preparing and burning powdered coal. For much of the information jmparted the
Jan 1, 1923
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OFR-106(1)-85 Cost-Effectiveness Of Dust Controls Used On Unpaved Haul Roads - Volume I -- Results, Analysis, And Conclusions
By Keith D. Rosbury
The basic objective of this project was to determine the cost-effectiveness of dust control used on unpaved mine haul roads. Field testing was conducted at three surface coal mines (two in Wyoming, on
Jan 1, 1983
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OFR-28-72 Systems Analysis Of An Inherently Explosion-Proof Coal Mining Operation
The inherently explosion-proof mine (EPM) concept is based upon the non-flammability of certain combustible-oxidant-inert gas mixtures, and the effect of partial pressure of gases on physiological rea
Jan 1, 2012
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Coal Dust Explosions and Their Suppression
By Wadaw Cybulski
The problem of coal dust explosions: Basic information about the explicability of coal dust: Main parameters of the explosibility of coal dust; Main parameters of the explosibility of coal dust; Limit
Jan 1, 1975
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RI 3777 Wartime Application of Air-Gas Injection and Oil-Well Reconditioning in the Appalachian Region
By Sam S. Taylor
"INTRODUCTION This report deals with a comparatively simple application of some of the engineering principles involved in the evaluation, installation, and operation of air- or gas-injection projects
Sep 1, 1944
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RI 4068 Catron and Sierra Counties Tin Deposits, N. Mex
By P. L. Russell, M. E. Volin, F. L. C. Price, D. H. Mullen
Tin deposits in Catron County, New Mexico, were explored by the Bureau of Mines under authority of the Strategic Minerals Act of August 1939. The investigation covered both lode and placer deposits an
May 1, 1947
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IC 7338 Geophysical Abstracts 121 April - June 1945 ? Foreword
Geophysical Abstracts 1 - 86 were issued in mimeographed form by the Bureau of Mines; Abstracts 87 - 111 were published in bulletins of the Geological Survey; Abstracts 112 - 120 were issued in mimeog
Jan 1, 1945
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IC 6767 Use Of Airplanes In Mining And Petroleum Operations ? Introduction
By Hugh M. Wolfin
This Information Circular is an abstract of a manuscript which was completed in June 1933, by Mr. Hugh M. Wolflin, formerly of the U. S. Bur eau of Mines. This abstract has been prepared by Charles Wi
Jan 1, 1934
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RI 4742 Laboratory-Scale Work On Synthesis-Gas Production
By J. J. S. Sebastian
The process development described in this report was carried out at the Morgantown Station of the U. S. Bureau of Mines in cooperation with West Virginia University. An experimental laboratory-scale p
Jan 1, 1950
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RI 6739 Critical Path Planning And Scheduling Applied To Mining Operations
By W. L. Falke
This Bureau of Mines report illustrates critical path planning and scheduling techniques as applied to typical mining operations. Detailed examples of arrow diagramming and computer oriented applicati
Jan 1, 1966
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OFR-22-76 Technical And Economic Study Of An Integrated Single Pass Mining System For Open Pit Mining Of Deep Oil Shale Deposits ? Phase I Report ? Section I. Summary
By Carlie E. Banks
Tasks during Phase I of this contract effort were performed in four principal functional areas. These were geology, hydrology, reclamation and mining. Data were gathered from literature reviews, mine
Jan 1, 1975
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OFR-128-83 Investigation Of The Mechanics Of Mine Acid Formation In Underground Coal Mine Drainage
By Fraser M. Walsh
The objective of this program was to determine by laboratory experiments the kinetics and mechanics of the reactions that produce acid in coal mine drainage. The program was divided into three phases:
Jan 1, 1982
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RI 3596 Annual Report Of The Mining Division, Fiscal Year 1941 ? Introduction (45e320f6-4812-4bab-b017-de464c0f8dac)
The annual reports of the supervising engineers of the nine sections comprising the Mining Division are assembled here and constitute the annual report of the division. In planning activities the
Jan 1, 1941
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RI 3596 Annual Report Of The Mining Division, Fiscal Year 1941 ? Introduction
By Chas. F. Jackson
The annual reports of the supervising engineers of the nine sections comprising the Mining Division are assembled here and constitute the annual report of the division. In planning activities the a
Jan 1, 1941
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OFR-21(2)-81 A Study Of Hazardous Openings To Abandoned Underground Mines In Western Colorado ? Final Appendix - Volume I - A Through L
[CONTENTS COUNTY NO. OF MINES MINE INDEX PAGE]
Jan 1, 1980
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Mining And Mineral Operations In The South-Central States - A Visitor Guide ? Introduction
Minerals are vital to any industrialized civilization. Annually, the United States uses more than 4 billion tons of new mineral materials, or about 40,000 pounds per person-about half being mineral fu
Jan 1, 1977
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OFR-157-82 Development Of Lightweight Hydraulic Supports
By Paul T. Alexander
After evaluating preceding studies and designs of lightweight supports, ESD selected the all-hydraulic and the hydromechanical concepts for detailed design and fabrication. Further analysis and testin
Jan 1, 1982
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OFR-48-77 Extensible Face Ventilation Systems - Duct And Brattice
By David A. Monaghan
This report describes the results of a 2-year investigation of extensible face ventilation techniques and systems for use at the working face in underground coal mines. The goal was to provide a safe
Jan 1, 1976
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OFR-75-84 Movable Crusher Systems - Concepts And Applications
By R. N. Johnson
This report is a summary of the work performed for the Bureau of Mines to evaluate the feasibility and desirability of a movable in-pit crusher combined with conveyors to substantially reduce or elimi
Jan 1, 1982
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Introduction (224f115c-6433-44d9-9ff0-9a561493ec2d)
Research 82 highlights significant studies conducted during the past fiscal year at Bureau facilities and offices. Readers who want more information about the projects and studies summarized here can
Jan 1, 1982