Search U.S. government technical reports digitized or harvested by TRAIL.
Underground gasification of coal :hydraulic fracturing as method of preparing a coalbed
Underground gasification of coal :operation of multiple-path system
Underground gasification of coal with oxygen-enriched air
Underground gasification of coal, 1945-60 :a bibliography
Fly ash as a coagulant aid in water treatment
Fly ash utilization;a summary of applications and technology,
Turf soil modification with sintered fly ash
Reclamation of acidic coal-mine spoil with fly ash
Fly ash-rubber mixtures :studies on skid resistance and durability