UNT Libraries Government Documents Department - 208 Matching Results
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- Tests of Lignite Char as Reduction Fuel in the Smelting of Zinc Ores
- This report analyzes experiments made to develop a method of utilizing the immense deposits of lignite in the United States.
- Laboratory Studies of the Trent Process
- Report issued by the U.S. Bureau of Mines detailing the laboratory-scale tests of the efficiency of the Trent process in cleaning coal, in which powdered coal, water, and oil is agitated or beaten together to remove impurities. The report includes details in tables detailing the efficiency varying the type and amounts of coal, oil, and water on the process.
- Analyses of Air from Burning Buildings
- This report provides results of analyses and pertinent fata regarding eleven samples taken from the composition of the air in burning buildings.
- Method and Cost of Mining the Thick Freeport Coal in a Second Western Pennsylvania Mine
- From introduction: The purpose of this paper is to present a detailed description of the methods employed and the equipment used, with the results obtained in the operation of this mine in the thick Freeport bed on the northern end of the field, near the Alleghegny-Butler county line in western Pennsylvania. It may be classed as a captive mine, as the largest portion of the product is consumed at the by-product plants of the parent company
- The Canadian Gypsum Industry
- From introduction: The production of gypsum is one of the oldest industries in Canada, and in point of gypsum output Canada ranks third among the countries of the world. Gypsum was discovered in the Maritime Provinces at a very early date, but there is no authentic record..of production until about 1822, when gypsum was mined on a small scale in Ontario. Since.then the production has grown slowly but steadily to more than a million tons. In 1928 the output was 1,205,846 short tons, valued at $3,622,007.
- The Meaning of Specifications for Gasoline and Kerosene
- Report on how to identify good gasoline and kerosene, written for the average citizen, with an explanation of purchaser and supplier relationships.
- Educational Agencies in Mining Communities
- Report on the importance of industrial education in the mining sector. It explains general education and facilities for specialized education for proficiency in a given field.
- Reduction Mills in Montana in 1925
- List of reduction mills in Montana, compiled in the course of investigations of mineral resources of Montana. It includes information about each loaction including: the process, character of ore, when the mill was operated, and custom work; equipment and power used; and capacity in tons.
- Regulations and Inspection Prevent Accidents from Falls of Roof
- Report on the need for regulations and inspections to counter preventable mine roof collapses and resulting injuries and fatalities.
- Practical Underground Education of the Coal Miner
- Report describing information that should be provided for miners when they are first being trained on-site, as well as an explanation about the education program offered by the Practical Mining School at Dawson, New Mexico.
- Survey of Gravities of Domestic Crudes
- Report on the comparative gravities of oil extracted from different regions of the United States.
- Ocher and Ochery Earths
- Report about ocher or ochery earth, "a natural mineral pigment composed largely of clay permeated with hydrated iron (ferric oxide)" (p. 2). It includes information about the uses of choer, substitutes, artificial ocher, mining and local deposits, import and export of ocher, and related information.
- The Legendary "White Metal" and its "Ore"
- Report concerning stories about claims of a "white metal" extracted from an "ore" found packed around pieces of iron or steel. It includes information about various tests conducted about the validity of these claims and their findings.
- Metal Mine Ventilation and its Relation to Safety and Efficiency in Mining Operations
- Report on mine ventilation and its relation to safety and efficiency.
- Recovery of Gold from Black Sand Tailings
- Report on the recovery of gold from black sand tailings, based on tests conducted at the U.S. Bureau of Mines' Alaska Station.
- The Recovery of Unburned Fuel from Boiler Furnace Refuse
- Report on recovering unburned fuel from boiler furnace refuse, based on processes used in Europe and tests in the United States.
- Comparison of Gas Masks, Hose Masks, and Oxygen-Breathing Apparatus
- Report providing information about the most appropriate kinds of breathing apparatus -- gas masks, hose masks, or self-contained oxygen-breathing apparatus -- to use in different situations.
- Carbon Tetrachloride Extinguisher of Electric Fires
- Report discussing "the extent and nature of the hazards to firefighters from gases and smoke resulting from the application of carbon tetrachloride extinguisher to electric arcs, burning insulation or fires such as may occur in electrical apparatus and machinery. The experiments described were made for the purpose of determining the nature of gases and smoke and ascertaining their toxic properties" (p. 1).
- Future Timber Supply for Coal Mines: What One Company is Doing
- Report discussing a case study of a coal company in Western Pennsylvania to show how mining companies might decrease their timber bills.
- What is Known about the Effect of Smoke on Health
- From title page: "For some years the Bureau of Mines, in connection with its investigations relating to efficiency in the combustion of fuels, as been engaged in a study of smoke prevention. Popular support for such work is usually based upon the injurious effects of smoke on the human ssytem, and this paper is published as a contribution to the literature dealing with that subject."
- Analyses of Virginia Coals
- Report containing several articles discussing coal in the state of Virginia. These articles cover geographic deposition of coal, coal production, mining methods, and analyses of coal samples. Index begins on page 71.
- Safety in Coal Mining: A Handbook
- Report issued by the Bureau of Mines discussing safety measures adopted by mining operations in the United States. As stated in the introduction, "this report deals solely with accidents in coal mines and with the means of prevention that have been determined and officially approved by the bureau" (p. 2). This report includes tables.
- Production of High-Alumina Slags in the Blast Furnace
- Technical report issued by the U.S. Bureau of Mines discussing the results of investigations studying the effects of alumina composition on the viscosity of iron slag.
- Leaching Nonsulphide Copper Ores with Sulphur Dioxide
- Report issued by the Bureau of Mines discussing the sulfurous acid leaching of the Southwest experiment station. Operations and analyses of the experiment station are presented. This report includes tables, illustrations, and photographs.
- Recovery of Gasoline from Uncondensed Still Vapors
- Report issued by the Bureau of Mines discussing fuel recovery from uncondensed vapors. As stated in the introduction, "this paper aims to show the possibility of increasing the gasoline yield from the crude by the recovery of considerable gasoline that is now lost by remaining uncondensed" (p. 1). This report includes tables, illustrations, and photographs.
- Thermodynamic Properties of Oxygen and Nitrogen
- Report issued by the Bureau of Mines discussing the thermodynamics of oxygen and nitrogen. Properties of these elements and methods of estimating thermodynamic data are presented. This report includes tables.
- Oil Shale: An Historical, Technical, and Economic Study
- Revised report issued by the U.S. Bureau of Mines discussing studies conducted on the development of the oil-shale industry from a historical, technical, and economic perspective. Results of the studies are presented. This report includes tables, illustrations, and photographs.
- Natural Gas Manual for the Home
- Report issued by the Bureau of Mines discussing a manual written for individuals who use natural gas in the home. As stated in the introduction, "its purpose is to tell about the supply, production, and distribution of natural gas, so that the necessity for preventing waste will be better understood" (p. 1). This report includes a map, illustrations, and photographs.
- Oil-Shale: An Historical, Technical, and Economic Study
- Report issued by the U.S. Bureau of Mines discussing studies conducted on the development of the oil-shale industry from a historical, technical, and economic perspective. Results of the studies are presented. This report includes tables, illustrations, and photographs.
- Electric Brass Furnace Practice
- Report issued by the Bureau of Mines discussing the use of electric furnaces for melting brass, and other nonferrous alloys. Monetary benefits, health benefits, and other advantages of using electric furnaces are presented. Descriptions of furnaces and their operational methods are also presented. This report includes tables, illustrations, and photographs.
- The Gasoline Situation
- Report issued by the Bureau of Mines discussing the demands on the oil industry due to an increase in automobiles in the United States. Improvements in drilling methods and refinery practices are presented. This report includes a table.
- Review of State Mine Inspector's Reports as They Relate to Accidents from Falls of Roof
- Report issued by the U.S. Bureau of Mines over state mine inspection reports from 19 U.S. states. The information in the reports includes details of accidents, locations that specific accidents occurred, and proposed remedies for prevention of future accidents. This report includes tables.
- The Manufacture of Sulphuric Acid in the United States
- Report issued by the Bureau of Mines over the production of sulfuric acid. As stated in the introduction, "the present bulletin was prepared to cover the main facts in regard to the industry in this country, including a discussion of the supplies of sulfur-bearing raw materials, the situation of the acid plants, the principal points in regard to manufacturing processes, and the uses of the acid" (p. 2). This report includes tables, illustrations, photographs, and a map.
- Tests of a Powdered-Coal Plant: A Report of Investigations at the Power Plant of the St. Joseph Lead Co., Rivermines, Missouri
- Technical paper issued by the Bureau of Mines over tests conducted at the powdered-coal plant in Rivermines, Missouri. The results of boiler tests, dryer tests, and mill tests are discussed. This report includes tables, and illustrations.
- Salvage of Material in the Oil Industry
- Technical paper issued by the Bureau of Mines over the salvage of necessary equipment for the oil industry. The types of materials that can be salvaged are presented and discussed. This paper includes photographs, and illustrations.
- Safe Mechanical Equipment for Use in Shaft Sinking
- Technical paper issued by the Bureau of Mines over shaft sinking safety. Safe mechanical equipment and procedures are discussed. This paper includes illustrations.
- The Bowie-Gavin Process: Its Application to the Cracking of Tars and Heavy Oils, Also to the Recovery of Oil from Oil-Soaked Sands or Shales, or from Oil Shales
- Technical paper issued by the Bureau of Mines over the Bowie-Gavin process. As stated in the introduction, "this paper describes a process and an apparatus designed to recover oil from such deposits" (p. 1). The results of experiments conducted using this process are discussed. This paper includes tables, illustrations, and photographs.
- Factors Governing the Entry of Solutions into Ores During Leaching
- Technical paper issued by the Bureau of Mines over studies on the leaching of copper-bearing ores. As stated in the introduction, the "penetration of the leaching medium into the body of the ore particles" (p. 1) is discussed. This paper includes tables, photographs, and illustrations.
- Graphical Terrane Correction for Gravity Gradient
- Technical paper issued by the Bureau of Mines over formula corrections to make up for gravity gradients. The new formulas are presented and discussed in detail. This paper includes tables, and illustrations.
- Quarry Accidents in the United States During the Calendar Year 1919
- Technical paper issued by the Bureau of Mines over quarry accidents reported during the year of 1919. The results of the accident reports collected are presented and discussed. This paper includes tables.
- Measuring the Variation of Ground Resistivity with a Megger
- Technical paper issued by the Bureau of Mines over tests conducted on ground resistivity with a megger. The results of the tests are presented and discussed. This paper includes tables, and illustrations.
- Change Houses in the Lake Superior Region
- Technical paper issued by the Bureau of Mines over change and wash houses in the Lake Superior area. As stated in the introduction, "this paper, with a few exceptions, presents data acquired in a survey, made by the author, of change houses in the Lake Superior region. All buildings, equipment, and practices were studied with regard for the health and welfare of the miner" (p. 1). This paper includes tables, photographs, and illustrations.
- Efficiencies in the Use of Bituminous Coking Coal as Water-Gas Generator Fuel
- Technical paper issued by the Bureau of Mines over the use of coking coal as a generator fuel. The results of using coking coal as fuel are presented and discussed. This paper includes tables, and illustrations.
- Geophysical Prospecting: Some Electrical Methods
- Technical paper issued by the Bureau of Mines over experiments in electrical methods. The methods and equipment used are presented and described. This paper includes tables, illustrations, and photographs.
- Recent Progress in the Thawing of Frozen Gravel in Placer Mining
- Technical paper issued by the Bureau of Mines over progress made for thawing gravel in placer mines. Different thawing tests are presented and discussed. This paper includes tables, photographs, and illustrations.
- Preparation and Uses of Tar and its Simple Crude Derivatives
- Technical paper issued by the Bureau of Mines over studies of coal tars. As stated in the introduction, "this paper discusses the uses to which some of the various tars are put and shows briefly the usual methods of working up tar into some of its simple or easily prepared derivatives, for which a market can generally be found" (p. 5). This paper includes tables, illustrations, and photographs.
- Experiments in Underground Communication Through Earth Strata
- Technical paper issued by the Bureau of Mines over studies in mine safety and communication. The methods and equipment used in the studies are presented and discussed. This paper includes tables, illustrations, and photographs.
- Typical Methods and Devices for Handling Oil-Contaminated Water from Ships and Industrial Plants
- Technical paper issued by the Bureau of Mines over oil-contaminated water. As stated in the introduction, this paper discusses "the development of suitable apparatus for handling and disposing of oil wastes in order to prevent the pollution of navigable waters" (p. 1). This report includes tables, illustrations, and photographs.
- Gas Masks for Gasoline and Petroleum Vapors
- Technical paper issued by the Bureau of Mines over gas masks developed for gasoline and petroleum vapors. Descriptions of different types of gas masks developed are presented. This paper includes tables, photographs, and illustrations.
- Experiments in the Use of Back Pressures on Oil Wells
- Technical paper issued by the Bureau of Mines over experiments conducted on the back pressure of oil wells. The results of the experiments are presented and discussed. This paper includes tables, photographs, and illustrations.