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RI 3711 Increasing Pig Iron Output Through Improved Coke
By L. D. Schmidt, W. C. Schroeder, A. C. Fieldner
"INTRODUCTION The highly mechanized character of modern warfare makes steel the most vital raw material. The shortage of steel scrap in the United States is forcing the use of increased quantities of
May 1, 1943
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IC 6804 Mining Methods And Costs At El Potosi Mine, Chihuahua, Mexico ? Introduction And Acknowledgments
By Harlan A. Walker
This paper on the mines of El Potosi Mining Co. is one of a series being prepared by the United States Bureau of Mines on mining practices, methods, and costs in the various mining districts of North
Jan 1, 1934
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IC 8407 Dust Control In Mining, Tunneling, And Quarrying In The United States, 1961 Through 1967
By Floyd G. Anderson
This report reviews and summarizes information on prevention and suppression of dust in mining, tunneling, and quarrying published in the United States from 1961 through 1967. Unpublished pertinent da
Jan 1, 1969
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Methane Control Research: Summary Of Results, 1964-80
By Maurice Deul
This bulletin summarizes the work conducted under the Bureau of Mines methane control research program during the years 1964 to 1979. This research effort was directed toward improving existing method
Jan 1, 1986
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RI 4128 Gasification of Lignite & Subbituminous Coal - Progress Report 1945-46
By E. O. Wagner, A. W. Koth, V. F. Parry, J. B. Goodman, D. C. Gernies
"INTRODUCTION A commercial-scale pilot plant for gasification of lignite was completed by the Bureau of Mines at Grand Forks, N. Dak., early in 1945 as an extension of work on, gasification of low-ran
Sep 1, 1947
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RI 9266 Structural Uses and Placement Techniques for Lightweight Concrete in Underground Mining
By Eugene H. Skinner
The U.S. Bureau of Mines conducted experiments on the use of lightweight concrete in the density range of 100 Ib/ft3 for liners in underground mines. Three test sections were completed: a monolithic,
Jan 1, 1989
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IC 9285 Soil Characterization And Soil Amendment Use On Coal Surface Mine Lands: An Annotated Bibliography
By Michael R. Norland
This U.S. Bureau of Mines report on U.S. and Canadian 1iterature pertaining to soil characterization and the use of soil amendments as a part of the reclamation process of coal surface-mined lands con
Jan 1, 1991
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Utilization And Stabilization Of Mineral Wastes
By K. C. Dean
The Bureau of Mines, following passage of the Solid Waste Disposal Act of 1965, was authorized to conduct research on methods for utilizing, stabilizing, or reclaiming mineral wastes. This report summ
Jan 1, 1986
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OFR-32-81 Electromagnetic Fields In Mine Environments
By James R. Wait
The present final report constitutes the total productivity of a series of contracts from the U.S. Bureau of Mines and the Institute for Telecommunication Sciences over the period 1971-1979. The empha
Jan 1, 1980
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OFR-11(2)-82 Recontouring Of Steep-Slope Abandoned Contour Mines - Volume II - Appendices
By Daniel I. Carey
Current and potential dragline reclamation usage was evaluated for the U.S. coalfields based on data gathered and analyzed during field surveys, literature reviews and contacts with manufacturers. It
Jan 1, 1981
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RI 9393 - Characteristics of Mining-Induced Seismicity and Rock Bursting in a Deep Hard-Rock Mine
By P. L. Swanson
Over a recent 20-month observation period, the U.S. Bureau of Mines obtained seismogram records from a single vertical-component, short-period seismometer installed at the surface of a metal mine in n
Jan 1, 2010
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RI 9533 - Field Evaluation Of Cable Bolts For Coal Mine Roof Support
By John P. McDonnell
Cable supports offer several advantages over traditional secondary support methods by enhancing stress redistribution to pillars and gob areas, minimizing or eliminating timbers and cribs that reduce
Jan 1, 2010
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RI 4093 Apache Iron Deposits, Navaho Co. AZ
By Lincoln A. Stewart
"INTRODUCTION The First Supplemental National Defense Appropriation Act, approved August, 25,, 1941, authorized the Bureau of Mines to investigate sources of raw, material for western production and a
Jul 1, 1947
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OFR-114-82 A Directory Of Computer Programs Applicable To U.S. Mining Practices And Problems (1970-1981)
By Richard L. Sanford
This report summarizes the results of an update on a previous Bureau of Mines grant (G0264026), and includes 5 additional years of computer pro-gram development. The directory includes a sampling of c
Jan 1, 1982
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OFR-103(3)-79 Control Of Vibration And Blast Noise From Surface Coal Mining - Volume III
By John F. Wiss
A series of controlled experiments was conducted at four surface coal mines to study the effects of certain blast parameters upon the ground and air vibration. Preliminary scale-model blasts were cond
Jan 1, 1978
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IC 7311 The Hazard Of Hydrogen Fluoride Poisoning In The Mineral And Allied Industries ? Introduction
By R. R. Sayers
The increasing use of hydrogen fluoride (annual consumption now exceeds 500,000 pounds (1)4/) directly and its occurrence as a byproduct of the utilization of fluorine compounds in the mineral industr
Jan 1, 1945
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IC 7960 The National Safety Competitions Of 1948-58 ? Summary
By John C. Machisak
The National Safety Competition is sponsored and conducted annually by the Bureau of Mines, U. S. Department of the Interior, to stimulate greater interest in safety in the mineral-extractive industri
Jan 1, 1960
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Bulletin 29 The Effect of Oxygen in Coal
By David White
This paper is the result of a comparative study of ultimate coal analyses made and published by the United States Geological Survey. This study, at first casually undertaken to devise an acceptable cl
Jan 1, 1911
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Sponge Chromium - 1. Introduction
By C. G. Maier
Relatively infrequent use by metallurgists of the term "sponge chromium" as contrasted to more than occasional reference to "sponge iron" may be ascribed to the fact that the former material is not a
Jan 1, 1942
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OFR-17(1)-77 Conceptual Design Of An Automated Longwall Mining System Phase I - Survey Of Operating Longwalls ? 1. Introduction ? 1.1 Authorization For This Work And Its Purpose
This report is in partial fulfillment of Contract S0241051 awarded to COMINEC on June 27, 1974. 'Me purpose of the work under this contract is to develop a conceptual design for an automated long
Jan 1, 1975