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  Partner: UNT Libraries Government Documents Department
 Serial/Series Title: Information circular (United States. Bureau of Mines)
 Collection: Technical Report Archive and Image Library
Ringelmann Smoke Chart: Revision of I. C. 6888

Ringelmann Smoke Chart: Revision of I. C. 6888

Date: August 1955
Creator: Kudlich, Rudolf H.
Description: Report issued by the U.S. Bureau of Mines discussing the Ringelmann Smoke Chart. As stated in the summary, "the Ringelmann Smoke Chart fulfills an important need in smoke abatement work and certain problems in the combustion of fuels. A knowledge of its history and methods of preparation is, therefore, of interest to many" (p. 1). This report tables, and an illustration.
Contributing Partner: UNT Libraries Government Documents Department
Ringelmann Smoke Chart: Revision of IC 7718

Ringelmann Smoke Chart: Revision of IC 7718

Date: 1967
Creator: Bureau of Mines Staff
Description: Report issued by the Bureau of Mines discussing the Ringelmann smoke chart. This report serves as a revision to a previous report covering the Ringelmann chart. As stated in the abstract, "since instructions on its use are not shown on the recent edition of the chart, those included in this revision of the previous Bureau of Mines publication now are necessary complement to the chart. More detail regarding the use of the chart is included than was given in the earlier version" (p. 1). This report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Safety Cars of the United States Bureau of Mines

Safety Cars of the United States Bureau of Mines

Date: March 1931
Creator: Forbes, J. J.
Description: 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.
Contributing Partner: UNT Libraries Government Documents Department
Sand and Gravel Excavation: Part 3: Hydraulic Dredge, Clamshell Dredge, Ladder Dredge, and Dipper Dredge

Sand and Gravel Excavation: Part 3: Hydraulic Dredge, Clamshell Dredge, Ladder Dredge, and Dipper Dredge

Date: March 1935
Creator: Thoenen, J. R.
Description: Report issued by the U.S. Bureau of Mines discussing different methods of sand and gravel excavation. These methods include hydraulic, clam-shell, ladder, and dipper dredging. This report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Smelting Ores in the Electric Furnace

Smelting Ores in the Electric Furnace

Date: October 1937
Creator: Dean, Reginald S.
Description: Report issued by the U.S. Bureau of Mines discussing the electric smelting of nonferrous ores. As stated in the introduction, "it is the purpose of the present paper to survey the technical and economic changes that have taken place and to determine whether electric smelting of nonferrous ores offers any more promise today than 20 years ago" (p. 1). This report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Some Causes of Blow-Outs During Drilling and Means of Prevention: with Special Reference to the Gulf Coast Region

Some Causes of Blow-Outs During Drilling and Means of Prevention: with Special Reference to the Gulf Coast Region

Date: March 1937
Creator: Carpenter, Charles B.
Description: Report issued by the U.S. Bureau of Mines discussing the causes of blow-outs and crater formation during the drilling of high-pressure wells. Causes and prevention of well blow-outs are presented. This report includes tables.
Contributing Partner: UNT Libraries Government Documents Department
Some Haulage and Hoisting Hazards in Western Mines

Some Haulage and Hoisting Hazards in Western Mines

Date: December 1942
Creator: Denny, E. H.
Description: Report issued by the U.S. Bureau of Mines discussing safety hazards in western mines. Mine hoisting and haulage accidents are presented. Accident prevention is also discussed. This report includes tables.
Contributing Partner: UNT Libraries Government Documents Department
The Soviet Seven-Year Plan (1959-65) for Oil

The Soviet Seven-Year Plan (1959-65) for Oil

Date: 1961
Creator: Frendzel, Donald J.
Description: Report issued by the Bureau of Mines discussing the Soviet plan to increase oil production between 1959 and 1965. As stated in the introduction, "this report, based almost entirely on Soviet petroleum literature, describes the planned expansion of the U.S.S.R. petroleum industry and attempts to provide some idea of the magnitude of future Soviet oil exports" (p. 2). This report includes tables, and a map.
Contributing Partner: UNT Libraries Government Documents Department
Specifications for Selected Hydraulic-Powered Roof Supports: With a Methods to Estimate Support Requirement for Longwalls

Specifications for Selected Hydraulic-Powered Roof Supports: With a Methods to Estimate Support Requirement for Longwalls

Date: September 1969
Creator: Barry, A. J.
Description: Report issued by the Bureau of Mines discussing hydraulic-powered roof support specifications. As stated in the abstract, "this report presents observations made by Bureau engineers regarding hydraulic-powered roof supports that are currently being used or have been used on nearly all operating long-walls in the United States" (p. 1). This report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Standardized Construction of Mine Ventilating Doors

Standardized Construction of Mine Ventilating Doors

Date: April 1944
Creator: Hartley, J. C.
Description: Report issued by the U.S. Bureau of Mines discussing the development and construction of ventilation doors in mine operations. The importance of functioning ventilating doors is presented. The construction process is described in detail. This report includes an illustration.
Contributing Partner: UNT Libraries Government Documents Department