Search U.S. government technical reports digitized or harvested by TRAIL.
Lurgi-gasifier tests of Pennsylvania anthracite
Crushing chestnut-size anthracite to produce buckwheat no. 1 and rice sizes
Use of calcined anthracite in foundry cupolas
A method for determining the electrical resistivity of solid anthracite specimens
Electrophoretic-specific gravity separation of pyrite from coal :laboratory studies
Hydrolyzed metal ions as pyrite depressants in coal flotation :a laboratory study