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
Report issued by the Bureau of Mines over investigations of coking coal reserves of Scott County, Te...
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Marion County, W...
Report issued by the Bureau of Mines over investigations of coking coal reserves of Sequatchie Count...
Report issued by the U.S. Bureau of Mines on the characteristics of different coal varieties after c...
Report issued by the U.S. Bureau of Mines on testing conducted on coking coal samples for carbon ele...
Report issued by the Bureau of Mines over studies conducted on fuel-testing plants. The results of s...
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Washington Count...
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Ohio County, Wes...
Report issued by the U.S. Bureau of Mines discussing coal research and technology. Mining methods, a...
Report issued by the Bureau of Mines over investigations of coking coal reserves of Fentress County,...
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Clarion County, ...
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Monongalia Count...
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Logan County, We...
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Marshall County,...
Report issued by the Bureau of Mines over investigations of coking coal reserves of Morgan County, T...
Report issued by the Bureau of Mines over investigations of coking coal reserves of Scott County, Te...
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Marion County, W...
Report issued by the Bureau of Mines over investigations of coking coal reserves of Sequatchie Count...
Report issued by the U.S. Bureau of Mines on the characteristics of different coal varieties after c...
Report issued by the U.S. Bureau of Mines on testing conducted on coking coal samples for carbon ele...
Report issued by the Bureau of Mines over studies conducted on fuel-testing plants. The results of s...
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Washington Count...
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Ohio County, Wes...
Report issued by the U.S. Bureau of Mines discussing coal research and technology. Mining methods, a...
Report issued by the Bureau of Mines over investigations of coking coal reserves of Fentress County,...
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Clarion County, ...
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Monongalia Count...
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Logan County, We...
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Marshall County,...
Report issued by the Bureau of Mines over investigations of coking coal reserves of Morgan County, T...
Report issued by the Bureau of Mines over investigations of coking coal reserves of Scott County, Te...
Report issued by the Bureau of Mines over investigations of coking-coal reserves of Marion County, W...
Report issued by the Bureau of Mines over investigations of coking coal reserves of Sequatchie Count...