Search U.S. government technical reports digitized or harvested by TRAIL.
Anthracite launder screens :factors in their design and operation
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
Conversion of municipal and industrial refuse into useful materials by pyrolysis