Cmmda 
Bepartmcut of Ulincs 
Hon. LOUIS CODERRE, Minister; 
R. G. McCONNELL, Deputy Minister. 
(leologicdl Surueij 
Museum Bulletin No. 1 
GEOLOGICAL SERIES, No. 27. JUNE 7, 1915 
THE ORDOVICIAN ROCKS OF 
LAKE TIMISKAMING 
by 
M. Y. Williams. 
OTTAWA 
Government Printing Bureau 
1915 
No. 1542 
