'4 



SMITHSONIAN INSTITUTION 





Fig. ii. — Bridger badland exposures along- Little Dry Creek, Bridger Basin, 

 Wyoming. Lower half of formation. (Photograph by G. F. Sternberg.) 



Fig. 12. — Badland exposures south of Sage Creek Mountain, Bridger 

 Basin, Wyoming. Upper half of Bridger formation. (Photograph by G. F. 

 Sternberg.) 



