Search U.S. government technical reports digitized or harvested by TRAIL.
Preliminary report on the flotation of bauxite
Beneficiation of iron ores by flotation.
Concentratability of Birmingham, Ala., red iron ores by separation in heavy media
Recovery of kyanite and sillimanite from Florida beach sands
Paper-coating clay from coarse Georgia kaolins by a new attrition-grinding process