SMITHSONIAN EXPLORATIONS, I94O 





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Fig. 8. — Searching for jaws and teeth of primitive mammals in the 

 deposits exposed in Dragon Canyon, central Utah. 



Fig. 9. — Good collecting ground in 'the Bridger Eocene beds to the north of 

 Twin Buttes in southwestern Wyoming. 



JBt' 



Fig. 10. — A general view of camp and the Bridger badlands in the basin of 

 Sage Creek to the north of Lone Tree, Wyo. The Uinta Mountains may be 

 seen in the right background. 



