Search U.S. government technical reports digitized or harvested by TRAIL.
Hand firing soft coal under power-plant boilers
Absorption of methane and other gases by coal
The tars distilled from bituminous coal in hand-fired furnaces
Coal and coke mixtures as water-gas generator fuel
Use of bituminous coal in househeating furnaces
Falls of roof and coal in bituminous coal-mines
Bituminous coal as generator fuel for large water-gas sets with waste-heat boilers
Value of bituminous coal and coke for generating steam in a low-pressure cast-iron boiler
Falls of roof in bituminous coal mines :influence of the seasons and rate of production
Recent developments in by-products from bituminous coal
Bituminous coal-mine safety-inspection outline
Statistical analysis of the progress in mechanical cleaning of bituminous coal from 1927 to 1934
Low-temperature distillation tests of subbituminous coal from the Denver region coal field, Colorado
Allaying dust in bituminous-coal mines with water
Performance of subbituminous coal in a typical underfeed domestic stoker
Multiple-shift mechanical mining in some bituminous-coal mines.
Technical and economic study of drying lignite and subbituminous coal by the Fleissner process
Mechanical mining in some bituminous-coal mines.
Statistical data on the mechanical cleaning of bituminous coal in the United States
The use of augers in surface mining of bituminous coal
Producing heavy fuel oil by hydrogenating bituminous coal
Costs of mining under bolted roof and timbered roof in bituminous coal mines
Gasification of bituminous coal with oxygen in a pilot plant equipped for slurry feeding
Hydrogasification of bituminous coals, lignite, anthracite, and char
Gasification of bituminous coal with oxygen in a pilot plant equipped for steam-pickup feeding
Hydrogasification of high-volatile A bituminous coal
Pressure carbonization of a high-volatile A bituminous coal to produce high-BTU gas
Entrained-bed carbonization of bituminous coal :tests on an Australian coal
Entrained-bed carbonization of highly fluid bituminous coals
Evaluation of continuous recording X-ray ash meter
Computer program for economic evaluations of underground bituminous coal mines
Strippable reserves of bituminous coal and lignite in the United States
A small-scale test for free-swelling index of coal /by R.F. Abernethy and J.P. Snyder.
Coal recovery from underground bituminous coal mines in the United States, by mining method
Thermal, mechanical, and physical properties of selected bituminous coals and cokes