Assessment of nitrate contamination of the upper aquifer in the Manatí-Vega Baja area, Puerto Rico /Author: Conde-Costas, Carlos.
Publisher: Denver, CO : Branch of Information Services [distributor], Denver, CO : Branch of Information Services [distributor],
Date: 1999. This title can be found in 2 Iowa libraries.
Low-flow characteristics at selected sites on streams in northern and central Puerto Rico /Author: Santiago-Rivera, Luis.
Publisher: Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor], Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor],
Date: 1998. This title can be found in 2 Iowa libraries.
Synoptic survey of water quality and bottom sediments, San Juan Bay estuary system, Puerto Rico, December 1994-July 1995 /Author: Webb, Richard M. T.
Publisher: Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor], Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor],
Date: 1998. This title can be found in 2 Iowa libraries.
Water balance and quantification of total phosphorus and total nitrogen loads entering and leaving the Lago de Cidra, central Puerto Rico /Author: Ramos-Ginés, Orlando.
Publisher: Denver, CO : Branch of Information Services [distributor], Denver, CO : Branch of Information Services [distributor],
Date: 1997. This title can be found in 2 Iowa libraries.
Potentiometric surface and hydrologic conditions of the upper aquifer in the Manatí-Vega Baja area, north central Puerto Rico, March 1995 /Publisher: [Guaynabo, P.R.] : The Survey,
Date: 1997. This title can be found in 2 Iowa libraries.
Low-flow characteristics at selected sites on streams in southern and western Puerto Rico /Author: Santiago-Rivera, Luis.
Publisher: Denver, CO : U.S. Geological Survey, Earth Science Information Center, Books and Open-File Reports Section [distributor], Denver, CO : U.S. Geological Survey, Earth Science Information Center, Books and Open-File Reports Section [distributor],
Date: 1996. This title can be found in 2 Iowa libraries.
Hydrology, water quality, and potential alternatives for water-resources development in the Río Majada and Río Lapa basins near the Albergue Olímpico, southern Puerto Rico /Author: Ramos-Ginés, Orlando.
Publisher: Denver, CO : Earth Science Information Center, Open-File Reports Section [distributor], Denver, CO : Earth Science Information Center, Open-File Reports Section [distributor],
Date: 1994. This title can be found in 2 Iowa libraries.
Low-flow characteristics at selected sites on streams in eastern Puerto Rico /Author: Santiago-Rivera, Luis.
Publisher: Denver, Colo. : Books and Open-File Reports Section [distributor], Denver, Colo. : Books and Open-File Reports Section [distributor],
Date: 1992. This title can be found in 2 Iowa libraries.
International Symposium on Tropical Hydrology and 2nd Caribbean Islands Water Resources Congress : proceedings of a symposium held in San Juan, Puerto Rico, May 5-8, 1985 /Publisher: Bethesda, Md. : American Water Resources Association,
Date: [1985] This title can be found in 2 Iowa libraries.
Estimated water use in Puerto Rico, 1980 : U.S. Geological Survey Water-use Information Program /Author: Gómez-Gómez, Fernando.
Publisher: San Juan, Puerto Rico : Puerto Rico Department of Natural Resources, Water Resources Planning Office,
Date: 1983. This title can be found in 1 Iowa libraries.
Geohydrologic descriptions of selected solid-waste disposal sites in Puerto Rico /Author: Torres-González, Arturo.
Publisher: San Juan, Puerto Rico : U.S. Department of the Interior, Geological Survey,
Date: [1982] This title can be found in 1 Iowa libraries.
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