Core-Drilling Testing for Base-Metal Mineralization Below the Hope Silver Mines, Granite County, Montana (open access)

Core-Drilling Testing for Base-Metal Mineralization Below the Hope Silver Mines, Granite County, Montana

Report issued by the Bureau of Mines over base-metal testing conducted in Granite County, Montana. Descriptions of the deposits, geology, and the factual data obtained during testing are presented. This report includes tables, maps, and illustrations.
Date: February 1949
Creator: Cole, John W.
System: The UNT Digital Library
German Low-Temperature Coal-Tar Industry (open access)

German Low-Temperature Coal-Tar Industry

Report issued by the U.S. Bureau of Mines discussing a low-temperature coal-tar industry in Germany. As stated in the Purpose and Scope of the Investigation, "the primary purpose of the investigation covered by this report was to determine to what extent the production and use of low-temperature tar in Germany had advanced during the 10-year period prior to the close of the last war" (p. 7). This report includes tables, illustrations, and a photograph.
Date: February 1949
Creator: Rhodes, E. O.
System: The UNT Digital Library
Investigation of Big Ben Molybdenum Deposit, Neihart District, Cascade County, Montana (open access)

Investigation of Big Ben Molybdenum Deposit, Neihart District, Cascade County, Montana

Report issued by the Bureau of Mines over studies conducted on molybdenum deposits in the Neihart District of Cascade County. As stated in the introduction, "this report describes the deposit, presents the factual data obtained from the sampling and core-drilling operations, and summarizes the results of the metallurgical studies" (p. 2). This report includes tables, maps, and illustrations.
Date: February 1949
Creator: Herdlick, J. A.
System: The UNT Digital Library
Investigation of Fire in the Kings Mine, Princeton Mining Company, Princeton, Indiana (open access)

Investigation of Fire in the Kings Mine, Princeton Mining Company, Princeton, Indiana

Report issued by the U.S. Bureau of Mines discussing the fire that occurred in Kings Mine in Princeton, Indiana. The circumstances surrounding the fire, including mining methods and conditions are presented. This report includes tables, and illustrations.
Date: February 1949
Creator: Herbert, C. A.; Gallagher, W. A. & Smith, F. J.
System: The UNT Digital Library