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RI 8720 Recovery of Tungsten From a Hydrothermally Altered Deposit
By A. E. Raddatz
The Bureau of Mines is investigating methods for recovering tungsten from domestic resources. A calcine-quench-leach (CQL) technique was developed for the extraction of tungsten from the Golconda, Nev
Jan 1, 1982
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RI 3584 Diesel Engines Underground ? III. Effect On Exhaust-Gas Composition Of Operating Engines In Mixtures Of Normal Air And Natural Gas ? Introduction
By Martin A. Elliott
Recommendations for safe practices in the operation of Diesel engines underground must take into consideration the hazards that might be created if the composition of the underground atmosphere differ
Jan 1, 1941
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OFR-11-72 A Current Appraisal Of Underground Coal Gasification - I. Summary - A. Purpose And Scope
The Bureau of Mines in the Department of the Interior is increasingly concerned with the safety and health of personnel engaged in coal-mining operations, particularly below ground. The Bureau is also
Jan 1, 1971
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IC 7961 Methods And Costs Of Shaft Sinking In The Coeur D'Alene District, Shoshone County, Idaho ? Introduction And Summary
By John R. McWilliams
The technological and economic pattern of the U. S. mining industry has undergone a rapid and continuing change since World War II. To provide realistic up-to-date cost data and to disseminate knowled
Jan 1, 1960
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Jarring/jolting exposure and musculoskeletal symptoms among farm equipment operators
By A. G. Mayton
Vehicle vibration exposure has been linked to chronic back pain and low back symptoms among agricultural tractor drivers. The objectives of this study by the National Institute for Occupational Safety
Jan 1, 2008
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RI 3975 Exploration of Reward (Vekol) Zinc Deposit, Pinal, AZ
By P. S. Haury, Thomas C. Denton
"INTRODUCTION AND RESUMEThe Reward zinc property was one of the first selected for exploration by the Bureau of Mines at time when zinc supplies for war production were very short. Preliminary examin
Nov 1, 1946
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RI 3584 Diesel Engines Underground - III. Effect On Exhaust-Gas Composition Of Operating Engines In Mixtures Of Normal Air And Natural Gas
By Martin A. Elliott
Recommendations for safe practices in the operation of Diesel engines underground must take into consideration the hazards that might be created if the composition of the underground atmosphere differ
Jan 1, 1941
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Highlights - Bituminous Coal And Lignite -
The number of railroad coal cars (open top hoppers), dominated rail car orders and deliveries in 1975 according to announcements made February 11, by the Association of American Railroads and the Amer
Jan 1, 1976
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RI 2977 Rock barriers for coal mines
By G. S. Rice, H. P. Greenwald, H. C. Howarth
"""Rock-dust barriers""5 as they are termed in this country, are for the purpose of confining a coal-dust mine explosion to the limited area in which it originates. These barriers were first tested in
Jan 1, 1930
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RI 3507 Gaseous Products From Explosives - 1. - Some Factors Affecting Test Results ? Introduction
By John C. Holtz
Information on the gaseous products from the detonation of explosives has been obtained in two ways. In the first, the atmosphere in mines is analyzed after blasting, aid in the second, the gases foun
Jan 1, 1940
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RI 3507 Gaseous Products From Explosives - 1. -Some Factors Affecting Test Results ? Introduction (eb5c4661-f33d-4d61-8603-12b053c561fe)
By John C. Holtz
Information on the gaseous products from the detonation of explosives has been obtained in two ways. In the first, the atmosphere in nines is analyzed after blasting, aid in the second, the gases foun
Jan 1, 1940
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IC 7880 Asbestos - A Materials Survey - Summary And Introduction
By Oliver Bowles
"Asbestos" is a name applied to a group of naturally fibrous minerals. Because it has the fibrous characteristics of silk or cotton and at the same time will not burn and has other advantageous proper
Jan 1, 1959
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EM Rescue (Location) System For Deep Mines Phase II - Build And Test Breadboard Equipment
By I. D. Schleicher, L. H. Rorden, F. B. Curry, T. C. Moore
The purpose of this program is to extend electromagnetic (EM) techniques for use in locating miners trapped in mines as deep as 1000 m. A previously developed EM system is considered adequate for use
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IC 8034 Bibliography Of Bureau Of Mines Articles On Thermodynamics Of Petroleum Constituents And Related Compounds: January I, 1944-December 31, 1960 ? Introduction
By J. P. McCullough
In 1943, the Federal Bureau of Mines began a program of thermodynamic investigations of petroleum constituents and related compounds. These systematic, long-range studies, which were conducted in the
Jan 1, 1961
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RI 3600 Progress Reports - Metallurgical Division - 50. Annual Report Of The Metallurgical Division, Fiscal Year 1941
By R. S. Dean
The brief resume of the activities of the Metallurgical Division that appears annually in its progress reports series serves a useful purpose by making available a rather comprehensive but concise rec
Jan 1, 1941
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IC 8106 Research And Technologic Work On Explosives, Explosions, And Flames: Fiscal Year 1960 ? Introduction
By Ruth F. Brinkley
This circular describes the activities and publications of the Bureau of Mines, Explosives Research Laboratory4 for the fiscal year 1960 (July 1, 1959 -June 30, 1960). Part 1 describes briefly the
Jan 1, 1962
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IC 8612 Bureau Of Mines Energy Program, 1972
By Bill Linville
During calendar year 1972, the Bureau of Mines was engaged in some 20 major areas of research for the development of new and improved efficient methods of conservation and utilization for petroleum an
Jan 1, 1973
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RI 5400 Investigation Of Cuyuna Iron-Range Manganese Deposits, Crow Wing County, Minn. - Progress Report 1 ? Summary
By Walter E. Lewis
The Cuyuna iron range in Crow Wing County, Minn., is the principal producer of manganiferous iron ore in the United States. The ore is mined from a manganiferous iron formation in the bedrock of the C
Jan 1, 1958
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OFR-87-81 Development And Demonstration Of Improved Truck Ladders
By G. Gavan
Analysis of reported injuries for off-highway haul trucks indicated that 42.7% were slip and fall, and of these 34.1% occurred mounting and dismounting the machine. Redesign of the lower steps was con
Jan 1, 1979