Preparation of titanium feedstock from Minnesota ilmenite by smelting and sulfation-leaching /
by R.H. Nafziger and G.W. Elger.
- [Avondale, Md.] : U.S. Dept. of the Interior, Bureau of Mines, 1987.
- 13 p. ; 28 cm.
- Report of investigations ; 9065 .
- Report of investigations (United States. Bureau of Mines) ; 9065. .