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Recovery of Gold from Black Sand Tailings
Report on the recovery of gold from black sand tailings, based on tests conducted at the U.S. Bureau of Mines' Alaska Station.
Date:
October 1920
Creator:
Gross, John
System:
The UNT Digital Library
Efficiencies in the Use of Bituminous Coking Coal as Water-Gas Generator Fuel
Technical paper issued by the Bureau of Mines over the use of coking coal as a generator fuel. The results of using coking coal as fuel are presented and discussed. This paper includes tables, and illustrations.
Date:
October 1923
Creator:
Odell, W. W.
System:
The UNT Digital Library
Talc Mining in New York
Report issued by the U.S. Bureau of Mines on the talc deposits in New York state. The report includes details on the geology of the deposits, and the mining and milling of the talc. This report contains illustrations.
Date:
October 1920
Creator:
Ladoo, Raymond B.
System:
The UNT Digital Library
Treatment of the Tungsten Ores of Boulder County, Colo.
Report discussing the the development of milling practice in Boulder County, the ore-dressing methods in use, and the local manufacture of ferrotungsten and tungstic oxide. Figures giving the production of tungsten concentrates in the Boulder district, in the United States, and in the world; data on the buying of tungsten ores; costs of production; and the normal tungsten requirements in this country are presented.
Date:
October 1921
Creator:
Bonardi, J. P. & Williams, J. C.
System:
The UNT Digital Library