Design and Operation of a Four-Ton-Per-Hour Gold and Silver Ore-Sampling Plant (open access)

Design and Operation of a Four-Ton-Per-Hour Gold and Silver Ore-Sampling Plant

Report issued by the U.S. Bureau of Mines discussing the operations of silver and gold ore-sampling plants. The facility designs and operation methods are presented. This report includes tables, and illustrations.
Date: June 1936
Creator: Gardner, E. D. & Leddell, W. A.
System: The UNT Digital Library
First Organization and Work of the Coal-Mine Inspection Division, Bureau of Mines (open access)

First Organization and Work of the Coal-Mine Inspection Division, Bureau of Mines

Report issued by the U.S. Bureau of Mines discussing the organization of the Coal-Mine Inspection Division. The inspection procedures and work accomplished are presented. This report includes tables, illustrations, photographs, and a map.
Date: June 1943
Creator: United States. Bureau of Mines.
System: The UNT Digital Library
Microfilming Maps of Abandoned Anthracite Mines: Mines in the Wyoming Basin, Northern Anthracite Field (open access)

Microfilming Maps of Abandoned Anthracite Mines: Mines in the Wyoming Basin, Northern Anthracite Field

Report issued by the Bureau of Mines discussing a program for microfilming maps of abandoned mines in the Pennsylvania anthracite region. As stated in the introduction, "this report contains a catalog of films covering 68 of the 72 mines in the Wyoming Basin of the Northern anthracite field. Maps of active mines are not included" (p. 4). This report includes tables, and maps.
Date: June 1968
Creator: Eaton, W. L. & Gait, G. B.
System: The UNT Digital Library
Mines and Mineral Deposits (Except Fuels) Judith Basin County, Montana (open access)

Mines and Mineral Deposits (Except Fuels) Judith Basin County, Montana

Report issued by the U.S. Bureau of Mines discussing the mining procedures and minerals of Judith Basin County, Montana. History, geology, and mineral production of the Judith Basin County mines are presented. This report includes tables, illustrations, and maps.
Date: June 1951
Creator: Robertson, Almon F. & Roby, Robert N.
System: The UNT Digital Library
Report of Petroleum and Natural-gas Division: Fiscal Year 1946 (open access)

Report of Petroleum and Natural-gas Division: Fiscal Year 1946

Report issued by the U.S. Bureau of Mines discussing the work completed by the Petroleum and Natural Gas Division during 1946. Petroleum engineering studies and natural gas field studies are presented. This report includes tables, illustrations, and photographs.
Date: June 1949
Creator: Cattell, Roscoe Arnold
System: The UNT Digital Library