Search U.S. government technical reports digitized or harvested by TRAIL.
Coal chemicals for world markets
Nitric acid oxidation rates for selected coals and related substances
International system for classifying brown coals and lignites and its application to American coals
Comparative evaluation of coking properties of four coals
Synthetic fuel from coal for supersonic aircraft
Hydrogenation of irradiated coal
Effect of sulfur retention on determined ash in lower-rank coals
Effects of hydraulic fluids in spontaneous heating of coal
Materials in coal inhibitory to the growth of microorganisms
The Use of coal and modified coals as adsorbents for removing organic contaminants from waste waters
Coal-derived humus :plant growth effects