Technical Report Archive & Image Library (TRAIL) - 1,563 Matching Results

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Production of Sponge Iron

Description: From Review of Sponge-Iron Processes: "This review of the development if the sponge-iron process to its present state gives only the important types of furnaces or processes tried."
Date: 1927
Creator: Williams, C. E.; Barrett, E. P. & Larsen, B. M.
Partner: UNT Libraries Government Documents Department
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Problems in the Firing of Refractories

Description: From Introduction: "In large measure the work was an outgrowth of that done by the bureau in the investigation of burning problems for Four Heavy Clay Products Associations."
Date: 1927
Creator: Bole, G. A.; Blizard, John; Rice, W. E.; Ogden, E. P. & Sherman, R. A.
Partner: UNT Libraries Government Documents Department
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Drilling and Blasting in Open-Cut Copper Mines

Description: From Introduction: "The drilling and blasting practices described in this bulletin are chiefly those in use at the time of these visits. Information, obtained by correspondence, on recent changes at certain mines is also included. The bulletin is confined to descriptions and comparisons of drilling and blasting methods at the six open-cut mines."
Date: 1927
Creator: Gardner, E. D.
Partner: UNT Libraries Government Documents Department
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Potash Mining in Germany and France

Description: From Scope of Bulletin: "This paper is confined largely to a discussion of methods of mining potash salts in France and Germany, in view of the possible application of similar methods when mining of the deposits in the southwestern part if the United States is undertaken, but it also includes a brief history of the German and French potash industry, a discussion of the geology of the deposits, a short description of the refining of crude salts for export, and an estimate of the cost of producti… more
Date: 1927
Creator: Rice, George S. & Davis, John A.
Partner: UNT Libraries Government Documents Department
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Quarry Accidents in the United States During the Calendar Year 1926

Description: Report published by the U.S. Bureau of Mines which is a compilation of accidents in quarries located in the United States with data regarding the number and kinds of accidents as well as information about the mining operations (e.g., number of men employed, kinds of quarries, amount of work performed, etc.).
Date: 1928
Creator: Adams, William W.
Partner: UNT Libraries Government Documents Department
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Tabulated Analyses of Representative Crude Petroleums of the United States

Description: From Scope of Report: "The present bulletin therefore can be considered as one of series which, taken as a whole, will present a comprehensive picture of the characteristics of crude petroleum. Its main purpose is to present analyses of more than 300 typical crude oils, all produced within the United States."
Date: 1928
Creator: Smith, N. A. C. & Lane, E. C.
Partner: UNT Libraries Government Documents Department
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Underground Limestone Mining

Description: From Introduction: "The aim of the report is to help the superintendent and the operator to adopt the safest and most efficient methods of removing rock underground."
Date: 1926
Creator: Thoenen, J. R.
Partner: UNT Libraries Government Documents Department
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Five Hundred Tests of Various Coals in House-Heating Boilers

Description: From Introduction Purpose of Tests: "The tests on which this report is based were made during or before 1917 to obtain a measure of relative heating value and burning characteristics of the various fuels when burned in domestic heating furnaces with attendance comparable to that given ordinarily. In all, 184 different shipments of coals, of which 172 were from various mines in this country, were burned in four low-pressure heating boilers; 534 individual tests were made. The primary object of t… more
Date: 1928
Creator: Nicholls, P.; Flagg, S. B. & Augustine, C. E.
Partner: UNT Libraries Government Documents Department
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Coal-Mine Fatalities in the United States, 1925

Description: Report compiled by the U.S. Bureau of Mines including statistics on fatalities in coal mines located in the United States as well as data regarding the various operations (e.g., number of miners employed and average production). The information is organized into tables for comparison and the text draws some overall conclusions in the summary.
Date: 1926
Creator: Adams, William W.
Partner: UNT Libraries Government Documents Department
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Petroleum Refinery Statistics, 1916-1925

Description: From Introduction: "The purpose of this report is twofold-to give a permanent printed record of all past data and to present them on the recently adopted basis of barrels instead of gallons."
Date: 1927
Creator: Hopkins, G. R.
Partner: UNT Libraries Government Documents Department
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Garnet: Its Mining, Milling, and Utilization

Description: From Introduction: "This bulletin presents the results of an investigation conducted by the Bureau of Mines as part of its work for the increase of efficiency and the prevention of waste in the mineral industries."
Date: 1925
Creator: Myers, W. M. & Anderson, C. O.
Partner: UNT Libraries Government Documents Department
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Placer-Mining Methods and Costs in Alaska

Description: From Scope of Bulletin: "This bulletin gives the results of a study of present conditions in Alaska placer mining, including the methods employed and the costs, and will be helpful to placer miners, engineers, and all others interested in the industry."
Date: 1927
Creator: Wimmler, Norman L.
Partner: UNT Libraries Government Documents Department
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Resistance of Metal-Mine Airways

Description: From Introduction: "This report describes the methods used and the results obtained in a series of experiments on the resistance that metal-mine airways offer to the flow of air."
Date: 1927
Creator: McElroy, G. E. & Richardson, A. S.
Partner: UNT Libraries Government Documents Department
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Coal-Mine Fatalities in the United States, 1923

Description: Report compiled by the U.S. Bureau of Mines including statistics on fatalities in coal mines located in the United States as well as data regarding the various operations (e.g., number of miners employed and average production). The information is organized into tables for comparison and the text draws some overall conclusions in the summary.
Date: 1924
Creator: Adams, William W.
Partner: UNT Libraries Government Documents Department
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Explosion Hazards From the Use of Pulverized Coal at Industrial Plants

Description: From Introduction: "This bulletin, therefore, presents both bad and the good features of pulverized-coal plants and gives recommendations for safe installation and operation. Consequently, in the preparation of this bulletin much of the material on explosions in plants is based on the results of tests at the experimental mine and in the laboratory dust gallery."
Date: 1925
Creator: Tracy, L. D.
Partner: UNT Libraries Government Documents Department
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Quarry Accidents in the United States During the Calendar Year 1923

Description: Report published by the U.S. Bureau of Mines which is a compilation of accidents in quarries located in the United States with data regarding the number and kinds of accidents as well as information about the mining operations (e.g., number of men employed, kinds of quarries, amount of work performed, etc.).
Date: 1925
Creator: Adams, William W.
Partner: UNT Libraries Government Documents Department
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Ochers and Mineral Pigments of the Pacific Northwest : Occurrence, Possible Methods of Preparation, and Testing of Ochers, Siennas, and Colored Clays

Description: From Introduction: "A review is given of the nomenclature, sources, imports, statistics, common methods of preparation, and testing of mineral pigments. A description of the Deer Park-Spokane colored-clay district and the laboratory methods of preparation of these colored clays, ochers, and siennas follows. The following report is merely preliminary in nature, only three months during the summer of 1927 being devoted to the laboratory investigation."
Date: 1929
Creator: Wilson, Hewitt
Partner: UNT Libraries Government Documents Department
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Inspection and Testing of Mine-Type Electrical Equipment for Permissibility

Description: From Introduction: "This publication, therefore, proposes to discuss the theory upon which tests of equipment in explosive atmospheres are based and to consider inspection and other matters pertaining to complete investigations of machines under Schedules 2B and 15."
Date: 1929
Creator: United States. Bureau of Mines.
Partner: UNT Libraries Government Documents Department
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Manual for Oil and Gas Operations [Part 2]

Description: Part two of a bulletin from the U.S. Bureau of Mines discussing oil and gas field waste prevention, and policies on field operation. According to the introduction (from part 1), "Part II comprises the revised 'Operating Regulations' which supersede all previous regulations and will govern future operations on public lands" (p. 1).
Date: 1923
Creator: Swigart, T. E. & Beecher, C. E.
Partner: UNT Libraries Government Documents Department
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Methods, Costs, and Safety in Stripping and Mining Coal, Copper Ore, Iron Ore, Bauxite, and Pebble Phosphate

Description: From Extent of Open-Pit Mining and Purpose of this Publication: "Various methods and machines are employed, and costs are low; in fact, costs have to be low because coal and ores command a low price on the market. These factors, together with queries on methods and costs of stripping and the increase in open-pit mining, have justified investigation by the Bureau of Mines for this form of mining and publication of the results in this report."
Date: 1929
Creator: United States. Bureau of Mines.
Partner: UNT Libraries Government Documents Department
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