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  Partner: UNT Libraries Government Documents Department
 Decade: 1940-1949
 Year: 1942
 Serial/Series Title: Report of investigations (United States. Bureau of Mines)
 Collection: Technical Report Archive and Image Library
Annual Report of the Explosives Division, Fiscal Year 1942

Annual Report of the Explosives Division, Fiscal Year 1942

Date: December 1942
Creator: Huff, Wilbert James
Description: Report issued by the U.S. Bureau of Mines on the annual report of work conducted by the Explosives Division during the fiscal year of 1942. Descriptions of testing projects and operations are presented. This report includes tables, graphs, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Annual Report of the Mining Division, Fiscal Year 1942

Annual Report of the Mining Division, Fiscal Year 1942

Date: October 1942
Creator: Jackson, Charles F.
Description: Report issued by the U.S. Bureau of Mines on the annual work conducted by the Mining Division during 1942. Descriptions of projects and operations during the fiscal year are listed. This report contains tables, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Manganese Investigations - Metallurgical Division: 8. Pyrometallurgical Studies of Manganese Ore

Manganese Investigations - Metallurgical Division: 8. Pyrometallurgical Studies of Manganese Ore

Date: March 1942
Creator: Miller, Virgil
Description: Report issued by the U.S. Bureau of Mines on investigations conducted on manganese ore used for smelting. Experimental methods and results are presented. This report includes tables, and a photograph.
Contributing Partner: UNT Libraries Government Documents Department
Manganese Investigations - Metallurgical Division: 14. Hydrometallurgical Studies of Manganses Ores

Manganese Investigations - Metallurgical Division: 14. Hydrometallurgical Studies of Manganses Ores

Date: July 1942
Creator: Anderson, Clarence Travis
Description: Report issued by the U.S. Bureau of Mines regarding laboratory tests conducted on acid leaching of manganese ore. Descriptions of the methods used in testing and results are presented. This report contains tables, and graphs.
Contributing Partner: UNT Libraries Government Documents Department
Report of the Nonmetals Division: Fiscal Year 1942

Report of the Nonmetals Division: Fiscal Year 1942

Date: November 1942
Creator: Ralston, Oliver C.
Description: Report issued by the Bureau of Mines over the operations of the Nonmetals Division during 1942. The work done by the division is discussed. This report includes tables, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
Review of the Heaving-Shale Problem in the Gulf Coast Region

Review of the Heaving-Shale Problem in the Gulf Coast Region

Date: March 1942
Creator: Wade, Gustav
Description: Report issued by the U.S. Bureau of Mines over the ongoing issue of heaving-shale in the Gulf Coast area. The operations and potential causes of incompetent heaving-shale are listed. This report includes tables, and a map.
Contributing Partner: UNT Libraries Government Documents Department
Size Consist, Chemical Analysis, and Physical Properties of 2-1/2-Inch Subbituminous Slack from the Denver, Colorado Region

Size Consist, Chemical Analysis, and Physical Properties of 2-1/2-Inch Subbituminous Slack from the Denver, Colorado Region

Date: August 1942
Creator: Parry, V. F.
Description: 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.
Contributing Partner: UNT Libraries Government Documents Department
Stemming in Metal Mines. Progress Report 3: Relative Advantages and Disadvantages of Different Types of Stemming and No Stemming When Used with 60 Percent Ammonia Gelatin Dynamite at the Mount Weather Testing Adit

Stemming in Metal Mines. Progress Report 3: Relative Advantages and Disadvantages of Different Types of Stemming and No Stemming When Used with 60 Percent Ammonia Gelatin Dynamite at the Mount Weather Testing Adit

Date: February 1942
Creator: Johnson, John A.
Description: Report issued by the U.S. Bureau of Mines on the progress made in metal-mine stemming. Previous reports have been presented impartially, or under different procedures. This report contains updated progress results from current procedures and mine conditions. The report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Stemming in Metal Mines. Progress Report 5: Comparison of Dust and Gases Produced from Blasting Charges of Dynamite in Drill Holes, in Bombs, and in Mud-Cap Shots

Stemming in Metal Mines. Progress Report 5: Comparison of Dust and Gases Produced from Blasting Charges of Dynamite in Drill Holes, in Bombs, and in Mud-Cap Shots

Date: December 1942
Creator: Johnson, John A.
Description: Report issued by the U.S. Bureau of Mines on the experiments conducted on stemming in metal-mines. As stated in the introduction, "its purpose is to compare the amount of dust and gases produced as a result of blasting charges of dynamite (1) in drill holes, (2) in bombs, and (3) in mud-cap or adobe shots" (p. 1). Dust and gas concentrations gathered from the experiments are listed. This report includes tables.
Contributing Partner: UNT Libraries Government Documents Department
Use of Subaudible Noises for the Prediction of Rock Bursts

Use of Subaudible Noises for the Prediction of Rock Bursts

Date: July 1942
Creator: Obert, Leonard
Description: Report issued by the U.S. Bureau of Mines on testing of sub-audible noises and accuracy of rock burst predictions. The history of this study, and the results of these investigations are presented. This report includes tables, graphs, illustrations, and diagrams.
Contributing Partner: UNT Libraries Government Documents Department
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