TY  - RPRT
TI  - Geology of the Mayagüez area, Puerto Rico
AU  - Peter H. Mattson
PY  - 1960
DO  - 10.1130/0016-7606(1960)71[319:gotmap]2.0.co;2
UR  - https://pubs.usgs.gov/publication/70220580
ID  - 70220580
ER  -