01291nam a2200265Ia 4500 210934 BIBL 20200624062621.0 970710s1997 pr ab b f000 0 eng d (OCoLC)37270709 GIS GIS PUXA PR 363.73947295 R1755w 22 Ramos-Ginés, Orlando. Local 156864 Water balance and quantification of total phosphorus and total nitrogen loads entering and leaving the Lago de Cidra, Central Puerto Rico by Orlando Ramos-Ginés ; prepared in cooperation with the Puerto Rico Aqueduct and Sewer Authority ... [et al.]. San Juan, P.R. U.S. Geological Survey Denver, CO Branch of Information Services [distributor] 1997. v, 28 p. ill., maps 28 cm. Water resources investigations report 96-4222 Local 187441 Includes bibliographical references (p. 28). Water Phosphorus content Puerto Rico Cidra. Local 187410 Eutrophication Puerto Rico Cidra. Local 93707 Water Nitrogen content Puerto Rico Cidra. Local 187410 Autoridad de Acueductos y Alcantarillados de Puerto Rico. Local 56261 Geological Survey (U.S.) Local 227708 157698 157698 0 0 ddc 0 363_739472950000000_R1755W 0 evpr 251957 10 10 B 2016-05-27 Donation 1997 304691 0 363.73947295 R1755w 80000001981078 2016-05-27 00:00:00 r:210934 z:NCC:D 6