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Production and Briquetting of Carbonized Lignite
From Introduction: "The Bureau of Mines since its establishment has always taken an active interest in the utilization of lignite and in the development of the lignite deposits of the United States. Extensive lignite fields occur in the west central States, notably in North Dakota, Montana, Wyoming, Colorado, and Texas; there are smaller areas in several other Sates, some of which are widely separated."
Date:
1923
Creator:
Babcock, E. J. & Odell, W. W.
System:
The UNT Digital Library
The Use of Permissible Explosives
From Preface: "The present bulletin is printed as a supplement to Bulletin 17 and is intended primarily for coal miners, especially for those working in fields where inflammable gas or coal dust may cause disastrous mine explosions. The bulletin is issued by the Bureau of Mines in the hope that it may prove helpful in lessening accidents due to the use of explosives, and in particular may aid in preventing mine explosions, many of which have been caused by the use of improper explosives."
Date:
1912
Creator:
Rutledge, J. J. & Hall, Clarence
System:
The UNT Digital Library
Rock-Strata Gases of the Cripple Creek District, Colorado and Their Effect on Mining
From Introduction: "The presence in the Cripple Creek district, Colo., of irrespirable gas or gases, generally known to consist mainly of nitrogen and carbon dioxide, has been recognized by members of the mining industry in that region almost since underground mining was begun there; the occurrence origin, and possible control of these gases have been discussed in several articles cited at various places in this report. Similar gases have also been studied in other metal-mining districts, as later discussed."
Date:
1930
Creator:
Denny, E. H.; Marshall, K. L.; Fieldner, A. C.; Emery, A. H.; Yant, W. P. & Selvig, W. A.
System:
The UNT Digital Library
Studies of Certain Properties of Oil Shale and Shale Oil
From Scope of Report: "In connection with the study of the oil-shale resources of the United States, the Bureau of Mines has carried on not only extensive laboratory and field investigations but has constructed and operated an experimental shale-oil plant in Colorado. This report is based entirely upon subject matter that appeared in published and unpublished manuscripts of the Bureau of Mines."
Date:
1938
Creator:
Guthrie, Boyd
System:
The UNT Digital Library
Coal Deposit, Coal Creek District, Gunnison County Colorado: Reserves, Coking Properties, and Petrographic and Chemical Characteristics
From Introduction: "A preliminary report of the work was published in April 1947, and this bulletin supplements Report of Investigations 4104 and describes the results of the entire investigation."
Date:
1952
Creator:
Toenges, Albert L.; Turnbull, Louis A.; Davis, J. D.; Reynolds, D. A.; Parks, B. C.; Cooper, H. M. et al.
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
Analyses of Tipple and Delivered Samples of Coal: (Collected During the Fiscal Years 1948 to 1950 Inclusive)
From Forward: "This bulletin is the first of a new series, which includes analyses of only tipple and delivered coal. It covers samples collected throughout the United States from July 1, 1947 to June 30, 1950 (fiscal years 1948-50). It is planned that future publications of this series will cover a period of one fiscal year only and be issued as soon as possible after June 30 of each year."
Date:
1953
Creator:
Snyder, N. H. & Aresco, S. J.
System:
The UNT Digital Library
Oil-Shale Mining, Rifle, Colorado, 1944-56
From Introduction: "Detailed reports on various phases of the oil-shale mining research program have been published by the Bureau of Mines as Reports of Investigations, and numerous articles prepared by the mine staff have been published in the technical press. Summarizes of some of these publications are included in this report with other information not previously published."
Date:
1964
Creator:
East, J. H., Jr. & Gardner, E. D.
System:
The UNT Digital Library
City Smoke Ordinances and Smoke Abatement
From Introduction: "In connection with the fuel investigations conducted by the Bureau of Mines much information has been accumulated as to the smoke abatement activities in various cities. The essential features of the information are presented in this report, which, it is believed, will be of public interest and benefit, especially to those communities that are just beginning organized effort to abate unnecessary smoke."
Date:
1912
Creator:
Flagg, Samuel B.
System:
The UNT Digital Library
Coal-Mine Accidents in the United States and Foreign Countries
From Introduction: "The lack of comparable and accurate statistics of coal-mine accidents in the united States as a whole led the Bureau of Mines in 1911 to undertake the collection of such data. The mining departments of the leading foreign coal-producing countries have long taken cognizance of the importance of statistics. The bureau feels that in presenting the tables embodied in this report it is offering the and comparable statistics of coal-min accidents for the country as a whole that have ever been published."
Date:
1913
Creator:
Horton, Frederick W.
System:
The UNT Digital Library
Oil and Gas Wells through Workable Coal Beds: Papers and Discussions
From Preface: "In carrying out such a policy with reference to the subject under consideration, the Bureau of Mines invited the State geologists, mine inspectors, and a number of coal operators and oil and gas well drillers from the States interested to meet representatives of the Bureau of Mines in Pittsburgh, Pa., for a discussion of the subject during February 7 and February 8, 1913. This adjourned meeting of the conference will be held at an early date and its report will be printed in a later edition of this bulletin, with such additional suggestions as may be received by the Bureau of Mines. The bureau will be glad, therefore, to receive at the earliest practicable date any additional suggestions or any additional information throwing light on the matters discussed in this bulletin."
Date:
1913
Creator:
Rice, George S. & Hood, O. P.
System:
The UNT Digital Library
Recovery of Zinc from Low-Grade and Complex Ores
From Introduction: "Vocalization in retorts has been, until recently, the only commercial process of producing spelter, hence the zinc mine operators have had to meet the terms of the zinc mine operators have had to meet the terms of the zinc smelters in regard to the following requirements: (1) Minimum percentage of zinc the ore must contain; (2) the chemical combination of the zinc in the ore; (3) the proportion present of those elements that interfere with the successful recovery of the zinc when the ore is retorted. As stated previously, and as will be shown later, a large part of the valuable mineral content of the ore is lost in effecting this concentration. As a result of the other requirements that have to be met in zinc smelting, much zinc is lost in the mining and milling of zinc ore."
Date:
1919
Creator:
Lyon, Dorsey A. & Ralston, Oliver C.
System:
The UNT Digital Library
Analyses of Coals in the United States with Descriptions of Mine and Field Samples Collected between July 1, 1904 and June 30, 1910: Part 1. -- Analyses
From Significance and value of Analyses of Coal: "The analyses published in this report cover samples of coal collected in many different parts of the country with unusual care by experiences men, in such manner as to make them representative of extensive beds of coal."
Date:
1913
Creator:
Lord, N. W.
System:
The UNT Digital Library
The Coke Industry of the United States as Related to the Foundry
From Introduction: "The present bulletin, published by the Bureau of Mines because of the analyzing and testing of fuels have been transferred from the Geographical Survey to the Bureau of Mines, briefly reviews the status of the coke industry, some features of practice in the use of coke in the foundry, the probable happenings of a cupola heat, and the reasons for modifying charging practice so that a particular coke can be used to best advantage."
Date:
1910
Creator:
Moldenke, Richard
System:
The UNT Digital Library
Washing and Coking Tests of Coal at the Fuel-Testing Plant at the Fuel Testing Plant, Denver, Colo., July 1, 1908, to June 30, 1909
From Introduction: "This bulletin deals with washing and coking tests of coal made at the Government fuel-testing plant in Denver, Colo., between July 1, 1908, and June 30, 1909."
Date:
1912
Creator:
Belden, A. W.; Delamater, G. R.; Groves, J. W. & Way, K. M.
System:
The UNT Digital Library
Analyses of Coals in the United States with Descriptions of Mine and Field Samples Collected between July 1, 1904 and June 30, 1910 Part 2. Descriptions of Samples
From Introduction: "This volume contains the descriptions of the samples whose analyses are published in the preceding volume, Part I of this bulletin. The descriptions have been compiled from the notebooks of the persons who collected the samples, have been condensed from accounts given in published reports of the United States Geological Survey, or have furnished by the collection themselves. Inasmuch as the descriptions represent the work of many persons during a period of six years, and inasmuch as they were recorded under widely differing conditions, they necessarily vary in fullness detail."
Date:
1913
Creator:
Lord, N. W.
System:
The UNT Digital Library
Treatment of the Tungsten Ores of Boulder County, Colo.
Report discussing the the development of milling practice in Boulder County, the ore-dressing methods in use, and the local manufacture of ferrotungsten and tungstic oxide. Figures giving the production of tungsten concentrates in the Boulder district, in the United States, and in the world; data on the buying of tungsten ores; costs of production; and the normal tungsten requirements in this country are presented.
Date:
October 1921
Creator:
Bonardi, J. P. & Williams, J. C.
System:
The UNT Digital Library
Development of a Mobile Compressor and Utility Station
Report issued by the U.S. Bureau of Mines on the development of a mobile compressor and utility station in the oil-shale mine near Rifle, Colorado during 1949. The report includes photographs and illustrations of the mobile station.
Date:
July 1950
Creator:
Wright, Fred D. & Ballinger, Homer J.
System:
The UNT Digital Library
Effect of Oil-Base Drilling Fluid Filtrate on Analysis of Cores from South Coles Levee, California, and Rangely, Colorado Fields
Report issued by the U.S. Bureau of Mines on the study of contamination of cores obtained with conventional core barrels. The effect of the oil-based drilling fluid and analysis of the cores are presented. The report includes tables, graphs, and illustrations.
Date:
August 1950
Creator:
Gates, Gates L.; Morris, Frank C. & Caraway, W. Hodge
System:
The UNT Digital Library
Some Innovations in Equipment For Scaling High Roofs and Mine Walls
Report issued by the U.S. Bureau of Mines describing the methods and equipment developed at the oil-shale mine near Rifle, Colorado. This report includes photographs and illustrations documenting this equipment.
Date:
October 1950
Creator:
Brown, Brinton C.; Wright, Fred D. & Ballinger, Homer J.
System:
The UNT Digital Library
Properties of Crude Oil From the Greasewood Flat Area in Colorado
Report issued by the U.S. Bureau of Mines on two samples of crude oil collected from the Greasewood Flat area of northwestern Colorado. These samples were analyzed for many characteristics, and an approximate summary of those characteristics are presented. The report contains two tables of data.
Date:
May 1932
Creator:
Rue, H. P.
System:
The UNT Digital Library
Green River Oil-Shale Reserves of Northwestern Colorado
Report issued by the U.S. Bureau of Mines on the oil-shale reserves near the Green River formation. Samples are analyzed for economic value, and presented in tables and illustrations. The report also includes maps of the sample areas.
Date:
February 1951
Creator:
Belser, Carl.
System:
The UNT Digital Library
Size Consist, Chemical Analysis, and Physical Properties of 2-1/2-Inch Subbituminous Slack from the Denver, Colorado Region
Report issued by the U.S. Bureau of Mines on sub-bituminous slack from Denver, Colorado. The characteristics and properties of 2-1/2 inch slack samples are listed. This report includes tables, graphs, maps, illustrations, and photographs.
Date:
August 1942
Creator:
Parry, V. F. & Landers, W. S.
System:
The UNT Digital Library
Trends in the Use of Energy in the Western States, With Particular Reference to Coal
Report issued by the U.S. Bureau of Mines on energy consumption in the western United States. A focus on coal as the primary energy source is presented. This report includes tables, graphs, maps, and illustrations.
Date:
January 1943
Creator:
Parry, V. F.
System:
The UNT Digital Library