Search U.S. government technical reports digitized or harvested by TRAIL.
Friability, slacking characteristics, low-temperature carbonization assay and agglutinating valur of Washington and other coals
Carbonizing properties and constitution of Black creek bed coal from Empire mine, Walker county, Ala.
Comparison of small and large scale experimental carbonizing apparatus :Tests of Pittsburgh Bed coal from Allison mine, Fayette county, Pa., and of a coal from the Michel Mine, British Columbia