TY  - RPRT
TI  - Cretaceous and lower Tertiary stratigraphy of the Naranjito and Aguas Buenas quadrangles and adjacent areas, Puerto Rico
AU  - Maurice Henry Pease
PY  - 1968
DO  - 10.3133/b1253
UR  - https://pubs.usgs.gov/publication/b1253
ID  - b1253
ER  -