Search U.S. government technical reports digitized or harvested by TRAIL.
The determination of moisture in coke
The determination of combustible matter in silicate and carbonate rocks
Fusibility of Ash from Coals of the United States
Check determinations of fusibility of coal ash with the De Graaf electric coal-ash fusion furnace
Accelerated Laboratory Test for Determination of Slacking Characteristics of Coal
Check determinations of grindability of coal by various methods
Low-temperature distillation tests of subbituminous coal from the Denver region coal field, Colorado
Notes on the sampling and analysis of coal
Methods of sampling and analyzing coal-mine dusts for incombustible content
Low-temperature carbonization of Alaskan coals
Rare and uncommon chemical elements in coal
Analyses of ash from coals of the United States
An investigation of a laboratory test for determination of the free-swelling index of coal
American Lignites: Geological Occurrence, Petrographic Composition, And Extractable Waxes
Determination of moisture-holding capacity (bed moisture) of coal for classification by rank
Analyses of Ash from United States Coals
Low-Temperature Carbonization Assays of North American Coals