SMITHSONIAN CONTRIBUTIONS TO KNOWLEDGE SHERZER. 



PLATE XXXIII. 







I? t I:' 



&r %_ 



/ 











s 



, 



Tfe* 



Ma]> of the Selkirk snowfields and glaciers, by Arthur O. Wheeler. Reproduced through courtesy of Canadian Topographic Survey, 

 Department of the Interior. Approximate scale I inch = \]4 miles. Contour interval 100 feet. Reference datum mean sea-level. 



