TY - RPRT TI - Planning report for the comprehensive appraisal of the ground-water resources of the north coast limestone area, Puerto Rico AU - Arturo Torres-Gonzalez AU - R. M. Wolansky PY - 1984 DO - 10.3133/ofr84427 UR - https://pubs.usgs.gov/publication/ofr84427 ID - ofr84427 ER -