Search U.S. government technical reports digitized or harvested by TRAIL.
Rare and uncommon chemical elements in coal
Analyses of ash from coals of the United States
Carbonization properties and petrographic composition of Hernshaw coal from Boone County, W. Va.
Occurrence and Determination of Germanium in Coal Ash from Powerplants
International system for classifying brown coals and lignites and its application to American coals
Application of rapid methods for analyzing coal ash and related materials
Effect of sulfur retention on determined ash in lower-rank coals
Phosphorus, chlorine, sodium, and potassium in U.S. coals