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IC 8073 The Pacific Northwest Steel Industry ? Summary
By Gary A. Kingston
Rolled steel, steel forgings, and steel castings in the Pacific Northwest (Washington and Oregon) are produced principally in the Seattle, Wash., and Portland, Oreg., metropolitan areas. Steel-mill pr
Jan 1, 1962
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RI 5424 Cable-Tool Coring With Oil-Base Mud In Appalachian Oilfields ? Summary
By W. T. Wertman
A research program to aid development of better and more efficient methods for producing petroleum and increasing its ultimate recovery from underground formations is an integral part of the work of t
Jan 1, 1958
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RI 8712 Alumina Miniplant Operations - Production of Misted Raw Kaolin Feed
By John L. Schaller
The Bureau of Mines, U.S. Department of the Interior, has investigated the extraction of alumina from domestic kaolin clay by leaching with boiling 26 wt-pct hydrochloric acid. Acid leaching of crushe
Jan 1, 1982
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RI 6011 Disposal Of Radioactive Waste In The Vitro-Type Uranium Milling Flowsheet ? Summary
By K. E. Tame
Pollution from radioactive nuclides, principally Ra226, in liquid waste from uranium mills can be minimized by reusing the waste solution within the mill. Such reuse of waste solution in the Vitro Che
Jan 1, 1962
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IC 7733 Survey Of Dust-Control Practices In The Coal-Mining Industry - Summary
By R. W. Barnes
This circular presents results of a survey conducted by the Bureau of Mines to ascertain the extent to which dust-control practices are employed in the coal-mining industry. This survey was initiated
Jan 1, 1956
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OFR-17(1)-74 Develop, Assemble And Install A Permissible Surveillance And Communication System In The Bureau Of Mines Mining And Safety Research Center Coal Mine At Bruceton, Pennsylvania ? Volume I ? Systems Development - I. Introduction
The purpose of this report is to describe the work accomplished by Mine Safety Appliances Company under Contract No. H0110845. This contract required the design, installation and testing of a permissi
Jan 1, 1973
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RI 5742 Extracting Neutral Low-Temperature Lignite Tar Fractions With Dipropionitrile Solvents ? Summary And Conclusions
By Paul L. Campbell
Investigations by the Federal Bureau of Mines of methods of upgrading tar obtained by low-temperature carbonization of lignite showed that ß,ß?-oxydipropionitrile, ß,ß?-iminodipropionitrile, and ß,ß&a
Jan 1, 1961
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Technologic Trends In The Mineral Industries (Metals And Nonmetals Except Fuels) (e9c2733c-f2dc-45c2-a145-00f901af1626)
By Frank L. Wideman
THE TREND towards larger quantities of waste in materials handled at metal and nonmetal mines (excluding fuels) continued. A gain of 10 percent from 1962 in the tonnage of waste removed in mineral ope
Jan 1, 1964
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The Mineral Industry Of The Islands Of The Caribbean - Bahamas (77fa72be-aacc-4d14-8edf-b06119bbe23f)
By Doris M. Hyde
In the past, mining has represented between 11% and 12% of the gross domestic product (GDP). In 1982, mining contributed over $150 million to the estimated $1.4 billion GDP.2 Overall economic growth f
Jan 1, 1985
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The Mineral Industry Of Other Areas Of South America - Ecuador (7eaec02b-4a92-4426-98ec-7fa272e14771)
By Pablo Velasco
After becoming an oil exporter in 1972, Ecuador experienced a remarkable economic upswing until 1978. However, in 1979 and 1980, a combination of only slight improvements in agricultural output and st
Jan 1, 1982
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IC 8122 Evaluating Raw Materials For Rotary-Kiln Production Of Lightweight Aggregate
By Howard P. Hamlin
This Bureau of Mines report is concerned with the testing procedures for evaluating clays, shales, and slates for lightweight aggregates using the rotary-kiln method of production. To meet the increas
Jan 1, 1962
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IC 7281 The Burning Rate Of Fuse - Introduction
By D. Harrington
Educational campaigns conducted by the manufacturers of explosives, the Bureau of Mines, mining companies, and safety organizations have contributed greatly in reducing accidents caused by explosives
Jan 1, 1944
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RI 7431 Evaluation Of Chemical-Cartridge Respirator Face Fit
By Harold A. Watson
A method for measuring leakage of vapors into a chemical-cartridge half-mask facepiece during simulated use is described. The respirator, fitted with high efficiency cartridges, is worn in a dichlorod
Jan 1, 1970
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Material Handling Considerations For Secondary Roof Support Systems
By Thomas M. Barczak
Secondary roof support systems play a vital role in preserving the safety of underground mine workers by preventing the unintentional collapse of the mine roof. Hundreds of thousands of standing roof
Jan 10, 2000
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IC 8093 Evaluation Of Washery Performance ? Introduction And Summary
By M. R. Geer
Efforts to evaluate washery performance are nearly as old as the art of coal cleaning, and in former years there was no uniformity in either the methods used or the basic terminology employed. This si
Jan 1, 1962
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RI 4676 Hydrogenation Of Petroleum And Lignite Tar Distillates
By E. A. Clarke
The vapor-phase section of the Coal Hydrogenation Demonstration Plant at Louisiana, Mo., was operated for the first time in April 1949. The run lasted only 10 days because of time limitation (pending
Jan 1, 1950
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IC 8075 Microbiology Of Coal ? Summary
By Martin H. Rogoff
This publication combines a critical review of the literature on the microbiology of coal with an introduction to those areas of microbiology related to studies of coal as a biological material. The a
Jan 1, 1962
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IC 8543 Technology And Use Of Lignite - Proceedings: Bureau Of Mines-University Of North Dakota Symposium Bismarck, N. Oak., May 12-13, 1971
This Bureau of Mines report contains the proceedings of a symposium cosponsored by the Bureau of Mines and the University of North Dakota concerning utilization and technology of Western coals and lig
Jan 1, 1972
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An Active Proximity Warning System For Surface And Underground Mining Applications
By W. H. Schiffbauer
NIOSH has developed an active proximity warning system called HASARD (Hazardous Area Signaling and Ranging Device) for warning workers as they approach known dangerous areas around heavy mining equipm