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Resins in Coal
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Gratis
Precision of the Volatile-matter Determination for Anthracite, Low-temperature Coke, and Subbituminous Coal
Gratis
Determination of Moisture-holding Capacity (bed Moisture) of Coal for Classification by Rank
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Gratis
An Investigation of a Laboratory Test for Determination of the Free-swelling Index of Coal: Revision of R.I. 3989
Gratis
Analyses of Ash from Coals of the United States
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Gratis
Fusibility of Ash Coals of the United States: Volumes 207-212
Gratis
Low-temperature Distillation Yields of Primary Tar and Light Oil from Coals of Various Ranks and Types
Gratis
Notes on the Sampling and Analysis of Coal
Gratis
Clinker Formation as Related to the Fusibility of Coal Ash
Gratis
The Determination of Moisture in Coke
Gratis
Low-temperature Carbonization of Alaskan Coals
Gratis
Methods of Sampling and Analyzing Coal-mine Dusts for Incombustable Content
Gratis
Methods of Analyzing Coal and Coke
Gratis
The Determination of Combustible Matter in Silicate and Carbonate Rocks
Gratis
Analyses of Mine and Car Samples of Coal Collected in the Fiscal Years 1916 to 1919: Issue 193
Gratis
Mining and Preparing Domestic Graphite for Crucible Use
Gratis
Carbonizing Properties: West Virginia Coals from the Eagle, No. 2 Gas, Pocahontas No. 3 and Pocahontas No. 4 Beds, Issues 487-493
Gratis
Splint Coals of the Appalachian Region: Their Occurrence, Petrography, and Comparison of Chemical and Physical Properties with Associated Bright Coals
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Gratis
Friability, Grindability, Chemical Analyses, and High- and Low-temperature Carbonization Assays of Alabama Coals
Gratis
Coal-mine Fatalities in February, 1925: Issues 2676-2680
Gratis