02151oam 2200565 450 991071370920332120200817081045.0(CKB)5470000002504596(OCoLC)984765996(OCoLC)995470000002504596(EXLCZ)99547000000250459620170428d1999 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierAssessment of nitrate contamination of the upper aquifer in the Manatí-Vega Baja area, Puerto Rico /by Carlos Conde-Costas and Fernando Gómez-GómezSan Juan, Puerto Rico :U.S. Department of the Interior, U.S. Geological Survey,1999.1 online resource (v, 43 pages) illustrations, mapsWater-resources investigations report ;99-4040Includes bibliographical references (pages 36-38).GroundwaterPollutionPuerto RicoManatí RegionGroundwaterPollutionPuerto RicoVega Baja RegionNitratesEnvironmental aspectsPuerto RicoManatí RegionNitratesEnvironmental aspectsPuerto RicoVega Baja RegionAquifersPuerto RicoGroundwaterPollutionfastNitratesEnvironmental aspectsfastGroundwaterPollutionGroundwaterPollutionNitratesEnvironmental aspectsNitratesEnvironmental aspectsAquifersGroundwaterPollution.NitratesEnvironmental aspects.Conde-Costas Carlos1403955Gómez-Gómez FernandoGeological Survey (U.S.),Puerto Rico.Environmental Quality Board.COPCOPOCLCOOCLCAOCLCFGPOBOOK9910713709203321Assessment of nitrate contamination of the upper aquifer in the Manatí-Vega Baja area, Puerto Rico3527501UNINA