TY  - RPRT
TI  - Geology of the middle Tertiary rocks in the Ponce-Guanica area : a progress report
AU  - Watson Hiner Monroe
PY  - 1972
DO  - 10.3133/ofr72258
UR  - https://pubs.usgs.gov/publication/ofr72258
ID  - ofr72258
ER  -