01907nam a2200373Ia 4500001000700000003000600007005001700013008004100030040002300071043001200094049000900106050002200115070002700137072000900164074001100173086002200184092003100206100004000237245022500277260013600502300005700638490006600695500003400761504005200795650007300847650008300920650008201003650007401085700004201159710006201201710004601263999001901309952020501328266518OCoLC20200624062624.0990513s1999    pr ab    b   f000 0 eng d  aGIScGISdGPOdAGL  anwpr---  aPUXA 4aQE75b.W3 99-40400 aGB701.W375bno.99-4040 0aW000  a0624-B0 aI 19.42/4:99-40400 aPRa553.797295bC7451a2221 aConde-Costas, Carlos.2Local97930010aAssessment of nitrate contamination of the upper aquifer in the Manatí-Vega Baja area, Puerto Ricocby Carlos Conde-Costas and Fernando Gómez-Gómez ; in cooperation with the Puerto Rico Environmental Quality Board.  aSan Juan, P.R.bU.S. Dept. of the Interior, U.S. Geological SurveyaDenver, CObBranch of Information Services [distributor]c1999.  av, 43 p.bill. (some col.), maps (some col.)c28 cm. 0aWater resources investigations reportv99-40402Local9187441  aShipping list no.: 99-0235-P.  aIncludes bibliographical references (p. 36-38). 0aGroundwaterxPollutionzPuerto RicozManatí Region.2Local9106123 0aNitratesxEnvironmental aspectszPuerto RicozVega Baja Region.2Local9142968 0aNitratesxEnvironmental aspectszPuerto RicozManatí Region.2Local9142968 0aGroundwaterxPollutionzPuerto RicozVega Baja Region.2Local91061231 aGomez-Gomez, Fernando.2Local91038181 aJunta de Calidad Ambiental de Puerto Rico.2Local9118619  aGeological Survey (U.S.)  2Local9227708  c192176d192176  00102ddc406PR_553_797295000000000_C7451A708evref9209298a10b10cBd2016-05-27eU.S. Geological Surveyh1999i382220l0oPR 553.797295 C7451ap80000002231481r2016-05-27 00:00:00t xr:266518y9