SMITHSONIAN INSTITUTION 



Fig. 6. — Camp 



Levitt Creek in the Grizzly Buttes, Bridger Basin, W 

 Photograph by Franklin Pearce. 



Fig. 7. — Investigation of a prospect to the north of Twin Buttes in the 

 Bridger Basin. This small quarry, the general location of which is shown in 

 figure 9. produced a remarkably good carnivore skeleton. Photograph by 

 Franklin Pearce. 



