o n it a Cm 
Department nf 39tine$ 
Hon. P, E. BLONDIN, Minister; 
R. G. McCONNELL, Deputy Minister. 
dfcologtrni Surtieg 
Museum Bulletin No. 23 
GEOLOGICAL SERIES, No, 32 AUGUST, 1916 
THE TRENT VALLEY OUTLET OF LAKE ALGONQUIN AND THE 
DEFORMATION OF THE ALGONQUIN WATER-PLANE 
IN LAKE SIMCOE DISTRICT, ONTARIO. 
by 
W A. Johnston 
OTTAWA 
Government Printing Bureau 
1916 
No. 1639 
