https://waterdata.usgs.gov/monitoring-location/USGS-180044066365700/
Gpop Well, Ponce, PR - USGS Water Data for the Nation
Discover water data collected at monitoring location USGS-180044066365700, located in Puerto Rico and find additional nearby monitoring locations.
usgs water datafor thegpopwellponce
https://archives.lib.duke.edu/catalog/uagradschool_aspace_ref1207_qi3
Graduate and Professional Opportunities Program (GPOP), 1982-1983 - Archives & Manuscripts at Duke...
graduate and professional