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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
Stoping Methods and Costs
Report presenting a study of stoping methods and costs and summarizing the data obtained in earlier publications and those obtained during investigations in the field that apply particularly to stoping.
Date:
1936
Creator:
Jackson, Charles Freeman & Gardner, E. D.
System:
The UNT Digital Library
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