TY  - BOOK
AU  - 
ED  - 
TI  - Cretaceous and lower tertiary stratigraphy in northwestern Puerto Rico
PY  - 1970///
CY  - Washington
PB  - U.S Govt. Print. Off.
KW  - (OCoLC)fst01355136
KW  - Cretaceous
KW  - Tertiary
KW  - Puerto Rico
KW  - fast
N1  - As of 07/18/2016, GPO could not validate the distribution status of this tittle for the FDLP; Prepared in cooperation with the Commonwealth of Puerto Rico Economic Development Administration, Industrial Research Department; United States Department of the Interior, Geological survey; includes bibliographical references (page 16)
ER  -