Crushing techniques for pneumatic concentration of mica /
by C.W. Smith, C.E. Jordan, and G.V. Sullivan.
- [Washington, D.C.] : U.S. Dept. of the Interior, Bureau of Mines, 1982.
- ii, 16 p. : ill. ; 27 cm.
- Report of investigations / United States Department of the Interior, Bureau of Mines ; 8601 .
- Report of investigations (United States. Bureau of Mines) ; 8601. .
Bibliography: p. 16.
81607301
Mica. Crushing machinery--Testing. Air classifiers.