SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 103, NO. 4, PL. 1 



1. View of the North Rim of the Staked Plains 



Photograph b_\- Edison P. Lohr. 



2. Main Arroyo 



Line of old lake bottom can be seen ahmg tup of light-colored earth. 

 Expedition camp at left. 



