The theory and practice of ore dressing,
Wiard, Edward Saxton, 1876-
The theory and practice of ore dressing, by Edward S. Wiard. - 1st ed. - New York [etc.] McGraw-Hill Book Co., 1915. - ix, 426 p. illus. (incl. maps) fold. plates, diagrs. 24 cm.
15015854
Ore-dressing.
TN500 / .W5 1915
The theory and practice of ore dressing, by Edward S. Wiard. - 1st ed. - New York [etc.] McGraw-Hill Book Co., 1915. - ix, 426 p. illus. (incl. maps) fold. plates, diagrs. 24 cm.
15015854
Ore-dressing.
TN500 / .W5 1915