TY  - BOOK
AU  - Wilson,Alfred William Gunning
ED  - Canada.
TI  - Pyrites in Canada,: its occurrence, exploitation, dressing, and uses
AV  - TN948.P8 W5
PY  - 1912///
CY  - Ottawa
PB  - Govt. Print. Bureau
KW  - Pyrites
N1  - At head of title: Canada. Dept. of Mines. Mines Branch
ER  -