TREES and FLOWERS 



of YELLOWSTONE NATIONAL PARK 



By 



Frank E. A.Thone, Ph. D. 



Park Lecturer 



Approved by 

 THE NATIONAL PARK SERVICE 



Sketches by 

 MARGARET A. THONE, M. A. 



Photographs by 



J. E. HAYNES, B. A. 



Park Photographer 



J. E. Haynes, Publisher 

 Saint Paul 



