NO. 15 



SMITHSONIAN EXPLORATIONS, I92I 



99 



Fig. 



103. — Airplane photograph showing mound north of Cahokia, partly 

 removed. Camera pointed west. 



liu. IU4. — Airplane photograph showing mound about ij^ miles west of 

 Cahokia. One of the most perfect of the group, and probably quite similar in 

 appearance to the large mound of the St. Louis group which was removed in 

 1869. Camera pointed northeast. 



