01790oam 2200505 450 991071355840332120200521083518.0(CKB)5470000002502079(OCoLC)966434511(OCoLC)995470000002502079(EXLCZ)99547000000250207920161219d1985 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierUse of surface-geophysical techniques for ground-water exploration in the Canovanas-Rio Grande area, Puerto Rico /by Arturo Torres-GonzáÌezSan Juan, Puerto Rico :U.S. Geological Survey,1985.1 online resource (v, 29 pages) illustrations, mapsWater-resources investigations report ;83-4266"Prepared in cooperation with the Department of Agriculture of the Commonwealth of Puerto Rico."Includes bibliographical references (pages 28-29).Groundwater flowPuerto RicoGroundwaterPuerto RicoGroundwaterfastGroundwater flowfastPuerto RicofastGroundwater flowGroundwaterGroundwater.Groundwater flow.Torres-González Arturo1397319Geological Survey (U.S.),Puerto Rico.Department of Agriculture.COPCOPOCLCOOCLCFOCLCAGPOBOOK9910713558403321Use of surface-geophysical techniques for ground-water exploration in the Canovanas-Rio Grande area, Puerto Rico3541744UNINA