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