TY  - RPRT
TI  - Geologic map of the Penuelas and Punta Cuchara quadrangles, Puerto Rico
AU  - R.D. Krushensky
AU  - W. H. Monroe
PY  - 1978
DO  - 10.3133/i1042
UR  - https://pubs.usgs.gov/publication/i1042
ID  - i1042
ER  -