TY - RPRT TI - Water resources data, Puerto Rico and the U.S. Virgin Islands, water year 2004 AU - Carlos Figueroa-Alamo AU - Zaida Aquino AU - Senen Guzman-Rios AU - Ana V. Sanchez PY - 2006 DO - 10.3133/wdrpr041 UR - https://pubs.usgs.gov/publication/wdrPR041 ID - wdrPR041 ER -