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Fair Market Value of a Mining Property
By Walter F. Atkins
Fair market value, in the legal sense , is the price which a prudent and knowledgeable buyer and a prudent and knowledgeable seller, acting without constraint or compulsion , will agree upon to exchan
Jan 1, 1977
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Conveyorized Materials Handling For Surface Coal Mines In Steep Topography Areas
By LeRoy D. Loy
To facilitate effective land reclamation and comply with existing state regulations, surface coal mine operators have in recent years adopted new mining techniques and equipment utilization for steep-
Jan 1, 1977
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Role Of Models In Coal Supply Analysis
By Thomas E. Browne
The Electric Power Research Institute Energy Supply Program is developing coal supply forecasts. By coal supply forecasts I mean the future relationships between coal price and production levels. A re
Jan 1, 1977
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OFR-107-77 Minimum Cost Strategies For Longwall Equipment Moves
By Thomas Gales
Longwall mining has a high potential for producing bulk production from a single face. Production is interrupted for a considerable time when it is necessary to move the equipment to a new block of co
Jan 1, 1977
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OFR-2(1)-78 Water Management In Oil Shale Mining - Volume 1- Main Text
By A. Brown
This report details work performed and results obtained in a study of the water management aspects of oil shale mining and retorting in the Piceance Creek Basin. Three specific sites were investigated
Jan 1, 1977
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IC 8739 Fuels And Energy Data: United States By States And Census Divisions, 1974
By Lulie H. Crump
Salient information on reserves, production, and consumption of fuels and energy by State is summarized in this Bureau of Mines publication. Reserve and production data are shown for each of the fossi
Jan 1, 1977
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OFR-161(2)-77 Stope Mechanization - Vein Mining - Appendices ? Appendix A ? Horizontal Cut And Fill Stoping
[RESULTS OF THE PRIMARY CONVENTIONAL PERFORMANCE AND COST MODEL OF THE UNIT OPERATIONS OF UNDERGROUND PERCUSSIVE DRILLING AND BLASTING]
Jan 1, 1977
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OFR-84-78 Study On Self-Replacing And/Or Self-Adjusting Belt Cleaning Devices -- Design Of A Horizontal Pentagonal Turret System
By T. C. Woo
This report describes the program that studied the theoretical and practical aspects of the belt cleaning systems, investigated-the possibilities of a self-replacing and/or sell-adjusting belt cleanin
Jan 1, 1977
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OFR-142-77 Reducing Methane In Coal Mine Gob Areas With Vertical Boreholes
By R. L. Mazza
This final report on methods of reducing and controlling methane in coal mine gob areas indicates that vertical degas holes are beneficial to the mines of northern West Virginia working the Pittsburgh
Jan 1, 1977
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OFR-153-77 Technical And Economic Feasibility Surface Mining Coal Deposits North Slope Of Alaska
This Kaiser Engineers report on the feasibility of surface mining on the North Slope of Alaska has considered the quantity and quality of the North Slope deposits with attention paid to the economic,
Jan 1, 1977
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Are We Overtaxing Our Resources?
By Peter M. Watt
The objective s of this paper are: (a ) to examine and discuss the burdens we place on our extractive industry; (b) to compare the levels of taxation in Canada with those in other countries; and ( c)
Jan 1, 1977
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Industrial Minerals In South Carolina Past, Present And Future
By Norman K. Olson
A geologic investigation of mineral resources in South Carolina first began in 1825 when the General Assembly authorized Lardner Vanuxen to conduct a "Geological and Mineralogical Survey of South Caro
Jan 1, 1977
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OFR-49(1)-79 Construction, Inspection And Maintenance Of Mine Haulage Track, Volume I
By Edward G. Cunney
[Track in underground bituminous coal mines was investigated and technology has taken from other industries in order to Main information on conditions that impair the safety and efficiency of the trac
Jan 1, 1977
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OFR-123(5)-78 Advancement Of Mine Ventilation Network Analysis From Art To Science - Volume V Application Of PSU/MVS To The Ventilation Planning Of A New Mine
By R. Stefanko
In this report, the use of Penn State Ventilation Simulator (PSU/MVS) for planning and evaluating new coal mine ventilation systems is demonstrated. The simulator's application to evaluate the ve
Jan 1, 1977
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OFR-57(1)-78 Feasibility Studies Of A Bidirectional Auger System And A Machine Mining Plan - Volume I, Bidirectional Auger System
By A. N. Baldwin
This report documents work performed under Bureau of Mines Contract J0265029 to study and develop two innovative mining systems: ? An underground auger capable of augering into the right and left r
Jan 1, 1977
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OFR-11-79 Exploratory Studies Of Flame And Explosion Quenching
By R. A. Strehlow
This is the final report for U.S. Bureau of Mines contract HO-122122, which was in effect from June 30, 1972 through January 4, 1976. The work resulted in the design and construction of a large labora
Jan 1, 1977
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OFR-161(1)-77 Stope Mechanization - Vein Mining
By J. Bootle
Marrow vein deposits will continue to be an important source of valuable minerals. Productivity per manshift is not keeping pace with operating costs. Increased mechanization of stoping operations mus
Jan 1, 1977
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OFR-93-78 Dynamic Practice Size Measurement Of Coal Dust
By Virgil A. Marple
The primary purpose of this contract was to evaluate methods and techniques by which the size distribution acid concentration of mining-related dusts can be measured. One result has been the developme
Jan 1, 1977
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OFR-18-80 Evaluation Of Surface Mining Blasting Procedures ? 1.0 Summary
An evaluation of blasting procedures in surface mining operations was undertaken to determine means for improving safety. The objectives of the study were to: 1. Develop guidelines for safer blasti
Jan 1, 1977
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OFR-104(2)-80 Selective Placement Of Coal Stripmine Overburden In Montana - II. Initial Field Demonstration
By D. J. Dollhopf
A week-long selective overburden handling dragline op ration was conducted at a strip mine near Colstrip, Montana. The objective of the demonstration was to hvdrologically isolate a saline overburden
Jan 1, 1977