Hegen, Edmund Eduard <br/><br/>
Highways into the upper Amazon Basin, pioneer lands in Southern Colombia, Ecuador and Northern Peru 

 - Gainesville  University of Florida Press  1966 
 - 168p.  23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Roads
<br/><br/><label>LC Class. No.: </label>HE359.C42H4