(tntinCio 
Dcjjartnu'm 0I III i nee. 
Hon, P. E. BLONDIN, Minister; 
R. G. McCONNELL, Deputy Minister, 
(Srnlogiiral Surueg 
Museum Bulletin No. 24 
GEOLOGICAL SERIES, No. 33 SEPTEMBER IS, 1916 
LATE PLEISTOCENE OSCILLATIONS OF SEA-LEVEL 
IN THE OTTAWA VALLEY 
by 
W A. Johnston 
OTTAWA 
Government Printing Bureau 
1916 
No. 1438 
