TY  - RPRT
TI  - Geologic map of the Naguabo and part of the Punta Puerca quadrangles, Puerto Rico
AU  - J. W. M’Gonigle
PY  - 1979
DO  - 10.3133/i1099
UR  - https://pubs.usgs.gov/publication/i1099
ID  - i1099
ER  -