New dry concentrating equipment /
by W.J. Long.

APA Citation

Long, W. J. (1948). New dry concentrating equipment. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines.

MLA Citation

Long, W. J. New Dry Concentrating Equipment. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines, 1948.

Warning: These citations may not always be complete (especially for serials).