Search U.S. government technical reports digitized or harvested by TRAIL.
Index of coals tested in the Bureau of Mines survey of carbonizing properties of American coals
Control of sulfur and ash in mine-run metallurgical coal :report [No.] 1
Work of the survey of carbonizing properties of American coals
Blending properties of low- and medium- volatile coals as determined in the BM-AGA appaaratus
Measurement of coking pressure in a small laboratory oven
Coal carbonization :effects of blending Pocahontas no. 3 coal with 12 high-volatile A coals
Carbonizing properities of Lower Banner coal from no. 56 mine, Dante, Russell County, Va.