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Open Schedules for Gold and Silver Ores and Concentrates at Western Custom Smelters
Report issued by the U.S. Bureau of Mines discussing the smelting schedules for the operators of silver and gold mines. As stated in the introduction, "the paper discusses smelting schedules, general smelting practices that have a bearing on rates, and the reasons for penalties or credits for certain constituents of ores" (p. 1). This report includes tables.
Date:
December 1936
Creator:
Gardner, E. D. & Allsman, Paul T.
System:
The UNT Digital Library
Some Haulage and Hoisting Hazards in Western Mines
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.
Date:
December 1942
Creator:
Denny, E. H. & Humphrey, H. B.
System:
The UNT Digital Library