Fields, Robert William,  1920- <br/><br/>
Geology of the La Venta badlands :  Colombia, South America / 
by Robert W. Fields. 
 - Berkeley ;  Los Angeles :  University of California Press,  1959. 
 - 405-442 p.  illus. maps (1 fold col.) profiles, tables ;  26 cm. 
 - University of California publications in geology sciences  v. 32, no. 6 .
<br/><br/> A contribution from the University of California Museum of Paleontology. 
<br/><br/>Bibliography: p. 434. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Colombia--Huila (Dept.)