TY  - BOOK
AU  - Fields,Robert William
TI  - Geology of the La Venta badlands: Colombia, South America 
PY  - 1959///
CY  - Berkeley, Los Angeles
PB  - University of California Press
KW  - Geology
KW  - Colombia
KW  - Huila (Dept.)
N1  - A contribution from the University of California Museum of Paleontology; Bibliography: p. 434
ER  -