Pyrites in Canada, its occurrence, exploitation, dressing, and uses.
Wilson, Alfred William Gunning, 1873-
Pyrites in Canada, its occurrence, exploitation, dressing, and uses. - Ottawa, Govt. Print. Bureau, 1912. - xi, 202 p. illus., fold. map, diagrs. 25 cm.
At head of title: Canada. Dept. of Mines. Mines Branch.
gs 13000335
Pyrites.
TN948.P8 / W5
Pyrites in Canada, its occurrence, exploitation, dressing, and uses. - Ottawa, Govt. Print. Bureau, 1912. - xi, 202 p. illus., fold. map, diagrs. 25 cm.
At head of title: Canada. Dept. of Mines. Mines Branch.
gs 13000335
Pyrites.
TN948.P8 / W5