TY  - BOOK
AU  - 
ED  - Geological Survey (U.S.)  
TI  - Cretaceous and Tertiary rocks in the Corozal quadrangle, northern Puerto Rico 
PY  - 1966///
CY  - [Washington, D.C.]
PB  - United States Department of the Interior, Geological Survey, 
KW  - Geology
KW  - Puerto Rico
N1  - Title from title screen (viewed September 15, 2014); Includes Bibliographical references (page 20)
ER  -