OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) · 1937 · 39 citations · 0 references
Natural SciencesGeologyMining EngineeringEconomic GeologyEngineering GeologyMine EconomicsCoal EconomicsCoal GeologyMining GeologyCoal Basin AnalysisCoal ClassificationCoal GeochemistryCoal GeographiesCoal Quality AnalysisCoal Reserves AssessmentCoal StructureGeologic Processes
The twentieth of a series on coal analyses gives analytical data showing the composition and quality of the coals of the state, description of the geologic structure of the coal basins, typical mining conditions in the different districts, and principal economic data of the industry. Salient facts regarding the occurrence, reserves, quality, characteristics, production, and uses of the coals of the state are reported.