Search U.S. government technical reports digitized or harvested by TRAIL.
The Recovery of Unburned Fuel from Boiler Furnace Refuse
Washing Characteristics of the Pittsburgh Coal in a High-Sulfur Area in Greene County, Pennsylvania
High-Sulfur Pittsburgh Coal: Upgrading in Southwestern Pennsylvania and Northern West Virginia
Preparation Characteristics of Some Coals Available for the Synthetic Liquid Fuels Industry