Search U.S. government technical reports digitized or harvested by TRAIL.
A study of the tungsten potential in Boulder County, Colo.
Tungsten potential in the San Juan area, Ouray, San Juan, and San Miguel Counties, Colo.
Recovery of tin and tungsten from tin-smelter slags
Milling and processing tungsten /J.B. Zadra.
High-purity tungsten by fluoride reduction
Electrowinning tungsten and associated molybdenum from scheelite