SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 53, NUMBER 7 



CAMBRIAN 

 GEOLOGY AND PALEONTOLOGY 



No. 7— PRE-CAMBRIAN ROCKS OF THE BOW 

 RIVER VALLEY, ALBERTA, CANADA 



WITH THREE PLATES 



BY 



CHARLES D. WALCOTT 



(Publication 1939) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



August, 1910 



