﻿NO. 5 



SMITHSONIAN EXPLORATIONS, ig22 



75 



Fig. 75. — Raft-building on the Cauca River, Colombia. The ever-present 

 bamboos and palms supply the material needed. 



Fig. 76. — Crossing the Vieja River, a tributary of the Cauca, Colombia. 

 As there is no bridge at this point, cargo must be removed from the mules 

 and transported in native dug-out canoes. 



