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Coal-Washing Investigations: Methods and Tests

Description: From Introduction: "The investigations described in this bulletin are confined to a study of the washing characteristics of bituminous coals. The washing characteristics of coals from many of the most important coal-producing fields of the Eastern and Central States were examined."
Date: 1929
Creator: Yancey, H. F. & Fraser, Thomas
Partner: UNT Libraries Government Documents Department

Byproduct Coke-Oven Tests of Washington Coals

Description: Report issued by the U.S. Bureau of Mines on the coking-coal testing done on Washington coal. Descriptions of the testing, and properties of the coals tested are presented. This report includes tables, and photographs.
Date: August 1943
Creator: Yancey, H. F.; Daniels, Joseph; McMillan, E. R. & Geer, M. R.
Partner: UNT Libraries Government Documents Department

Burning Washington Coals on Different Types of Domestic Stokers in the Same Hot-Water Boiler: Comparison with Hand and Oil Firing

Description: From Purpose and Scope: "This bulletin presents the results of an investigation of domestic stokers at the Northwest Experiment Station of the Bureau of Mines. Previous publications have dealt with the burning characteristics of Washington coals on a domestic overfeed stoker, a clinker-type domestic underfeed stoker, and an ash-removal-type domestic underfeed stoker designed for burning anthracite. This report includes all the principal results obtained on the three domestic stokers tested and compares these results with those obtained on the same hot-water boiler by hand-firing and oil-firing."
Date: 1949
Creator: Yancey, H. F.; Johnson, K. A.; Cordiner, J. B., Jr.; Lewis, A. A. & Lunde, K. E.
Partner: UNT Libraries Government Documents Department

Analyses of Washington Coals: Supplement to Technical Papers 491 and 618

Description: From Washington Coalfields: The geographical distribution of the principal coal areas of Washington is shown in figure 1. Detailed information concerning these fields is given in Bureau of Mines Technical Paper 491. Further information on the minor coal areas is given in two bulletins of the Washington Division of Mines and Geology. Analyses, plastic properties, free-swelling indexes, and agglutinating values of the separate coals, together with data on yields of carbonization products and properties of the cokes produced in laboratory tests and under operating conditions."
Date: 1958
Creator: Daniels, Joseph; Yancey, H. F.; Geer, M. R.; Abernethy, R. F.; Aresco, S. J. & Hartner, F. E.
Partner: UNT Libraries Government Documents Department

Exploration, Composition, and Washing, Burning and Gas-Producer Tests of a Coal Occurring Near Coaldale, Esmeralda County, Nevada

Description: Technical paper issued by the Bureau of Mines over investigations of available coal in Esmeralda County, Nevada. Exploration of the coal deposits is discussed. This paper includes tables, maps, photographs, and illustrations.
Date: 1946
Creator: Toenges, Albert L.; Turnbull, Louis A.; Schopf, James M.; Yancey, H. F.; Geer, M. R.; Johnson, K. A. et al.
Partner: UNT Libraries Government Documents Department

Minable Reserves, Petrography, Chemical Characteristics, and Washability Tests of Coal Occurring in the Coos Bay Coal Field, Coos County, Oregon

Description: Report issued by the Bureau of Mines discussing the coal reserves of Coos County, Oregon. Investigations conducted on the minable coal reserves are presented in detail. This report includes tables, maps, illustrations, and photographs.
Date: 1948
Creator: Toenges, Albert L.; Dowd, James J.; Turnbull, Louis A.; Schopf, J. M.; Cooper, H. M.; Toenges, Albert L. et al.
Partner: UNT Libraries Government Documents Department