Search U.S. government technical reports digitized or harvested by TRAIL.
Anthracite gas-producer tests at a brick plant
Crushing chestnut-size anthracite to produce buckwheat no. 1 and rice sizes
Agglomerating anthracite for metallurgical fuel
Ultrafine grinding of anthracite
Fluidized-bed low-temperature carbonization of bituminous coal and thermal cracking of the tar vapors