01685nam a2200361Ia 4500 266518 OCoLC 20200624062624.0 990513s1999 pr ab b f000 0 eng d GIS GIS GPO AGL nwpr--- PUXA QE75 .W3 99-4040 GB701.W375 no.99-4040 W000 0624-B I 19.42/4:99-4040 PR 553.797295 C7451a 22 Conde-Costas, Carlos. Local 79300 Assessment of nitrate contamination of the upper aquifer in the Manatí-Vega Baja area, Puerto Rico by Carlos Conde-Costas and Fernando Gómez-Gómez ; in cooperation with the Puerto Rico Environmental Quality Board. San Juan, P.R. U.S. Dept. of the Interior, U.S. Geological Survey Denver, CO Branch of Information Services [distributor] 1999. v, 43 p. ill. (some col.), maps (some col.) 28 cm. Water resources investigations report 99-4040 Local 187441 Shipping list no.: 99-0235-P. Includes bibliographical references (p. 36-38). Groundwater Pollution Puerto Rico Manatí Region. Local 106123 Nitrates Environmental aspects Puerto Rico Vega Baja Region. Local 142968 Nitrates Environmental aspects Puerto Rico Manatí Region. Local 142968 Groundwater Pollution Puerto Rico Vega Baja Region. Local 106123 Gomez-Gomez, Fernando. Local 103818 Junta de Calidad Ambiental de Puerto Rico. Local 118619 Geological Survey (U.S.) Local 227708 192176 192176 0 0 ddc 0 PR_553_797295000000000_C7451A 0 evref 209298 10 10 B 2016-05-27 U.S. Geological Survey 1999 382220 0 PR 553.797295 C7451a 80000002231481 2016-05-27 00:00:00 r:266518 9