Canada 
Hcpartiiu'nt of IHincs 
HON. ARTHUR MEIGHEN, Minister; 
R. G. McCONNELL, Deputy Minister. 
(Srotagiral Suruen 
WILLIAM McINNES, Directing Geologist. 
Museum Bulletin No. 2 
GEOLOGICAL SERIES, No. 35 FEBRUARY 28, 1918 
CONTRIBUTIONS TO THE MINERALOGY 
OF BLACK LAKE AREA, QUEBEC 
by 
Eugene Poitevin 
and 
R. P. D. Graham 
OTTAWA 
Government Printing Bureau 
1918 
•No. 1*696 
