TY  - RPRT
TI  - Geology of the Penuelas and Punta Cuchara quadrangles, Puerto Rico
AU  - R.D. Krushensky
AU  - Watson Hiner Monroe
PY  - 1977
DO  - 10.3133/ofr77173
UR  - https://pubs.usgs.gov/publication/ofr77173
ID  - ofr77173
ER  -