TY  - RPRT
TI  - Cretaceous and lower Tertiary stratigraphy in northwestern Puerto Rico
AU  - David H. McIntyre
AU  - John M. Aaron
AU  - Othmar Tardin Tobisch
PY  - 1970
DO  - 10.3133/b1294d
UR  - https://pubs.usgs.gov/publication/b1294D
ID  - b1294D
ER  -