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Effects of Ancient Stream Channel Deposits on Mine Roof Stability: A Case Study
Report issued by the Bureau of Mines over studies conducted on mine roof stability. Mining methods to improve roof stability are discussed. This report includes tables, maps, illustrations, and photographs.
Date:
1987
Creator:
Ingram, David K. & Chase, Frank E.
System:
The UNT Digital Library
Infrared and Ultraviolet Spectrometric Techniques and Spectra-Structure Correlations
From Introduction: "The work in absorption spectrometry performed in the Bureau at Bruceton laboratories will be described in this bulletin."
Date:
1966
Creator:
Friedel, R. A. & Queiser, J. A.
System:
The UNT Digital Library
Determination of Phenols in Coal Tars and Hydroxyl Groups in Coal by Forming Trimethylsilyl Ethers
From Introduction: "This report reviews related previous work and describes studies by the Bureau of Mines on (1) the development of new methods for analyzing phenols, (2) the development of a specific method for the determination of phenolic hydoxyl groups in coal, and (3) the preparation and properties of trimethylsiyl derivatives of individual phenols."
Date:
1963
Creator:
Friedman, Sidney; Zahn, Charles; Kaufman, Marvin & Wender, Irving
System:
The UNT Digital Library
Plastic, Agglutinating, and Free-Swelling Properties of American Coals
From Abstract: "This Bulletin presents, in collected and tabulated form, Bureau of Mines (Pittsburgh station) data pertaining to the plastic, agglutinating, and free-swelling characteristics of American coals."
Date:
1963
Creator:
Walters, J. G.; Ode, W. H. & Spinetti, L.
System:
The UNT Digital Library
Structure and Propagation of Turbulent Bunsen Flames
From Introduction and Summary: "In the assessments of research objectives after World War II it was brought out that little effort had yet been expended on an understanding of turbulent flames.The present report deals exclusively with a second stage of work which was carried out between November 1954 and August 1959. This summary report includes a few new data, but its chief purpose is to reorient the findings toward a better appreciation of what has been accomplished and what most profitably might be done in the near future."
Date:
1962
Creator:
Burgess, David
System:
The UNT Digital Library
Estimate of Known Recoverable Reserves of Coking Coal in Allegheny County, Pennsylvania
Report issued by the Bureau of Mines over studies on the reserves of coking coal from Allegheny County, Pennsylvania. The results of the investigations and the different coal beds sampled are presented. This report includes tables, and maps.
Date:
September 1953
Creator:
Wallace, Joseph J.; Dowd, James J.; Provost, John M.; Abernethy, R. F. & Reynolds, D. A.
System:
The UNT Digital Library
Synthetic Liquid Fuels: Annual Report of the Secretary of the Interior for 1951; Part 1 - Oil from Coal
Report issued by the Bureau of Mines over an annual study of synthetic liquid fuel production. Results of the annual study are presented and discussed. This report includes maps, tables, illustrations, and photographs.
Date:
July 1952
Creator:
unknown
System:
The UNT Digital Library
Lignite in Greece
From Summary and Conclusions: "The objective of this investigation has been stated above in the Introduction. Studies were made of mining operations in the Athens Basin, Rafina and Oropos districts; the Kimi and Aliveri areas on the island of Euboea; and the Peloponnese in the vicinity of Kalamai. (See fig. 2). Mining practices at mines in these areas are summarized briefly in this report. Samples of lignite were shipped to Bureau of Mines experiment stations at Pittsburgh, Pa., and Golden, Colo., for washability and utilization studies."
Date:
1951
Creator:
Toenges, Albert L.; Crentz, W. L.; Parks, B. C. & Abernethy, R. F.
System:
The UNT Digital Library
Carbonizing Properties: Pocahontas Number 6, Davy Sewell, and Fire Creek Coals from West Virginia and Upper and Lower Kittanning and Upper and Lower Freeport Coals from Pennsylvania
From Forward: "The value of this survey of the carbonizing properties of American coals by a standard method lies in the comparability of the results on different coals. It must recognized that no standard laboratory method of carbonization, even on a large unit, can yield results that exactly duplicate those obtained in ovens and retorts. The commercial results vary with the type of oven or retort. Allowance must be made for such differences in interpreting the BM-AGA test results in terms of commercial plants."
Date:
1950
Creator:
Davis, J. D.; Reynolds, D. A.; Brewer, R. E.; Wolfson, D. E.; Naugle, B. W. & Birge, G. W.
System:
The UNT Digital Library
Characterization of Tar Acids from Coal-Hydrogenation Oils
From Introduction: "The purpose of this investigation was to separate and identify as many of the principal phenolic compounds produced by the mild hydrogenation of Pittsburgh-bed (Bruceton) coal as possible and to determine with the greatest possible accuracy the proportions in which they are present."
Date:
1950
Creator:
Woolfolk, E. O.; Golumbic, C.; Friedel, R. A.; Orchin, Milton & Storch, H. H.
System:
The UNT Digital Library
High-Sulfur Pittsburgh Coal: Upgrading in Southwestern Pennsylvania and Northern West Virginia
From Summary and Conclusions: "This report deals with upgrading to metal-lurgical standards of large reserves of high-sulfur Pittsburgh coal remaining in southwestern Pennsylvania and northern West Virginia."
Date:
1950
Creator:
Fraser, Thomas; Crentz, W. L. & Bailey, A. L.
System:
The UNT Digital Library
Underfeed Combustion, Effect of Preheat, and Distribution of Ash in Fuel Beds
From Introduction: "This report covers studies of the underfeed-type fuel bed-exemplified by underfeed stokers-and of the effect of preheated air on what transpires in both overfeed and underfeed fuel beds."
Date:
1934
Creator:
Nicholls, P.
System:
The UNT Digital Library
Explosion Tests of Pittsburgh Coal Dust in the Experimental Mine, 1925 to 1932, Inclusive
From Introduction and Summary: "The first of these was Bulletin 353, dealing with the tests of rock-dust barriers; the second is the present paper, which reports tests made to determine the effect on the explosibility of Pittsburgh coal dust of altering conditions under which the tests were made; the third, dealing with tests of dust prepared from approximately 20 coals taken from beds in mines in different parts of the United States, will follow after the completion of testing in progress at the time of writing."
Date:
1933
Creator:
Rice, George S.; Greenwald, H. P. & Howarth, H. C.
System:
The UNT Digital Library
Safety Cars of the United States Bureau of Mines
Report issued by the U.S. Bureau of Mines discussing the mine stations and safety cars used to reach miners in distress. As stated in the report, "the purpose, equipment, personnel, and construction of its safety cars" is presented. This report includes an illustration, and a map.
Date:
March 1931
Creator:
Forbes, J. J. & Ankeny, M. J.
System:
The UNT Digital Library
Concrete Stoppings in Coal Mines for Resisting Explosions: Detailed Tests of Typical Stoppings and Strength of Coal as a Buttress
From Forward: "This paper gives the details of tests to determine the design of stoppings capable of withstanding a pressure, applied to either side, of 50 pounds per square inch, as required by section 104 (a) of the Operating Regulations to Govern Coal-Mining Methods on Leased Lands on the Public Domain, issued in 1921 and quoted on page 3."
Date:
1931
Creator:
Rice, George S.; Greenwald, H. P.; Howarth, H. C. & Avins, S.
System:
The UNT Digital Library
Physical Testing of Explosives at the Bureau of Mines Explosives Experiment Station, Bruceton, Pennsylvania
From Introduction: "The methods of making the physical tests of explosives recorded here are based upon the results of more than 20 years of experience of the staff of the explosives division of the Bureau of Mines at the Pittsburgh testing station and at its successor, the Explosives Experiment Station, Bruceton, Pa. The methods are described in unusual detail to permit repetition that will duplicate, as nearly as possible, the precise manner in which they have been performed in the past and to reduce differences in technique to a minimum."
Date:
1931
Creator:
Munroe, Charles E. & Tiffany, J. E.
System:
The UNT Digital Library
Sources of Limestone, Gypsum, and Anhydrite for Dusting Coal Mines to Prevent Explosions
From Preface: "The writer began testing the rock-dusting method for the Bureau of Mines at the Pittsburgh gallery in 1909, and later continued such testing in the bureau's experimental mine, with favorable results. Beginning in 1911 the bureau issued reports recommending rock dusting as alternative to watering."
Date:
1925
Creator:
Bowles, Oliver
System:
The UNT Digital Library
Stone Dusting or Rock Dusting to Prevent Coal-Dust Explosions, as Practiced in Great Britain and France
From Introduction: "Coal dust as an agent of widespread explosions had been under suspicion, and watering to allay the dust was recommended by some mining engineers but the watering of coal-mine dust was adopted in comparatively few mines of the United States and Great Britain, and had not been introduced widely in any country except Germany. Rock dusting, another method of preventing explosions of coal dust, was early tested with success by the Bureau of Mines in its first gallery at Pittsburgh and, beginning in 1911, at the experimental mine, Bruceton, Pa."
Date:
1924
Creator:
Rice, George S.
System:
The UNT Digital Library
Analyses of Samples of Delivered Coal: Collected from July 1, 1915 to January 1, 1922, with a Chapter on the Tidewater Pool Classifications
From Introduction: "The analyses given in this bulletin are of samples of delivered coal. This bulletin gives the results of analyses of samples delivered coal collected from July 1, 1915 to January 1, 1922."
Date:
1923
Creator:
Snyder, Ned H.
System:
The UNT Digital Library
Coal-Dust Explosion Tests in the Experimental Mine 1913-1918, Inclusive
Report issued by the Bureau of Mines over experiments conducted on coal-dust explosions. The results of the experiments are presented and discussed. This report includes tables, illustrations, and photographs.
Date:
June 1922
Creator:
Rice, George S.; Jones, Lewis M.; Egy, Willard Leo & Greenwald, H. P.
System:
The UNT Digital Library
Approved Explosion-Proof Coal-Cutting Equipment
Report discussing description of equipment tested to prevent explosions when using coal-cutting explosions and provides explanation of fire damp protection theory.
Date:
1920
Creator:
Ilsley, L. C. & Gleim, E. J.
System:
The UNT Digital Library
Mining and Preparing Domestic Graphite for Crucible Use
From Prefactory Statement: "In this bulletin are presented the results obtained in the first two phases of the work outlined above. The bulletin is in two parts. The first part describes the methods of mining and milling used, suggests a standard method of sampling finished graphite, and describes a rapid and convenient method of analysis developed at the Pittsburgh station of the Bureau of Mines, to which has been assigned the analytical and microscopic work. The second part describes experiments on the concentration and milling of graphite, which were made at the Salt Lake City, Utah, station."
Date:
1920
Creator:
Dub, George D. & Moses, Frederick G.
System:
The UNT Digital Library
Combustion of Coal and Design of Furnaces
From Purpose and scope of Investigations: "The combustion investigations of bureau are carried on in two parts. One part is the study of the process of combustion in the fuel bed as affected by the rate of supplying air through the fuel bed, by the character of the fuel as regards structure and composition, by the thickness of fuel bed, by the method of feeding the coal and the air and by the method of heating the coal. The second part of the investigation is the study of the process of combustion of the gases and other combustible rising from the fuel bed in the combustion space, after a sufficient quantity of air has been added. The results of the study are given in this report."
Date:
1917
Creator:
Kreisinger, Henry; Augustine, C. E. & Ovitz, F. K.
System:
The UNT Digital Library
Manufacture of Gasoline and Benzene-Toluene from Petroleum and Other Hydrocarbons
From Preface: "This bulletin deals with the cracking of petroleum and other hydrocarbons and the production thereby of gasoline, benzene, and toluene."
Date:
1916
Creator:
Rittman, W. F.; Dutton, C. B. & Dean, E. W.
System:
The UNT Digital Library