Estimation of magnitude and frequency of floods for streams in Puerto Rico new empirical models

by Ramos-Ginés, Orlando.
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Branch of Information Center, [distributor], 1999

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

by Ramos-Ginés, Orlando.
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Earth Science Information Center, Open-File Reports Section [distributor], 1994

Effects of changing irrigation practices on the ground-water hydrology of the Santa Isabel-Juana Díaz area, south central Puerto Rico

by Ramos-Ginés, Orlando.
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Earth Science Information Center, Open-File Reports Section [distributor], 1994

Water balance and quantification of total phosphorus and total nitrogen loads entering and leaving the Lago de Cidra, central Puerto Rico

by Ramos-Ginés, Orlando.
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Branch of Information Services [distributor], 1997

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

by Ramos-Ginés, Orlando,
Published: U.S. Geological Survey, 1994

Effects of changing irrigation practices on the ground-water hydrology of the Santa Isabel-Juana Díaz area, south central Puerto Rico

by Ramos-Ginés, Orlando,
Published: U.S. Geological Survey, 1994

Water balance and quantification of total phosphorus and total nitrogen loads entering and leaving the Lago de Cidra, central Puerto Rico

by Ramos-Ginés, Orlando,
Published: U.S. Geological Survey, 1997

Compilation of water-quality data for the north coast limestone aquifers, Puerto Rico, 1951 to 1987

by Román-Más, Angel J.
Published: Dept. of the Interior, U.S. Geological Survey : Books and Open-File Reports [distributor], 1988

Elevation of the water-table surface for the alluvial aquifer and hydrologic conditions in the Santa Isabel-Juana Diaz area, Puerto Rico, March 1986

by Geological Survey (U.S.),
Published: Department of the Interior, U.S. Geological Survey, 1987