SMITHSONIAN EXPLORATIONS, 1 939 



Fig. 7. — View to the southeast over the lower portion of Dragon Canyon, 

 showing badland exposures of Cretaceous rock from which skeletons of 

 extinct lizards were obtained. 



Fig. 8. — Encasing portion of a ceratopsian skull with burlap soaked in 

 plaster of paris prior to its removal. View of operations at a locality in 

 Cretaceous rock exposed around the southeastern portion of North Horn 

 Mountain. 



