TY - RPRT TI - Reconnaissance of ground-water quality in the Manati Quadrangle, Puerto Rico, August-November 1992 AU - C. E. Conde-Costas AU - G. A. Rodriguez-Rodriguez PY - 1996 DO - 10.3133/ofr96628 UR - https://pubs.usgs.gov/publication/ofr96628 ID - ofr96628 ER -