TY  - RPRT
TI  - Marine geologic map of the Puerto Rico insular shelf, Isla Caja de Muertos area
AU  - David K. Beach
AU  - James V. Trumbull
PY  - 1980
DO  - 10.3133/ofr80366
UR  - https://pubs.usgs.gov/publication/ofr80366
ID  - ofr80366
ER  -