TY - BOOK ED - Autoridad de Acueductos y Alcantarillados de Puerto Rico. TI - Water resources of Puerto Rico: phase II-Ground water appraisal PY - 1970/// CY - Hato Rey, P.R. PB - R.A. Domenech KW - Water, Under ground KW - Puerto Rico KW - Local KW - Water resources development N1 - Bibliography : p. B-1-B-5 ER -