Federally promulgated standards : proposed water quality standards for Puerto Rico.

Surface-water, water-quality, and ground-water assessment of the Municipio of Mayaguez, Puerto Rico, 1999-2002 /
by: Rodríguez-Martínez, Jesús
Published: (2004)

Surface-water, water-quality, and ground-water assessment of the Municipio of Carolina, Puerto Rico, 1997-99 /
Published: (2002)

Surface-water, water-quality, and ground-water assessment of the Municipio of Comerío, Puerto Rico, 1997-99 /
Published: (2001)

Groundwater-quality survey of the south coast aquifer of Puerto Rico, April 2 through May 30, 2007 /
by: Rodríguez, José M.
Published: (2009)

Hydrologic, water-quality, biological and sedimentation characteristics of Laguna Grande, Fajardo, Puerto Rico, March 2007-February 2009 /
by: Soler-López, Luis R.
Published: (2010)

Hydrology and water quality of the principal springs in Puerto Rico /
by: Guzmán-Ríos, Senén
Published: (1988)

The management and control of water in Puerto Rico /
by: Avilés Cordero, Isidoro
Published: (1969)

Estimated water withdrawals and use in Puerto Rico, 2015 /
by: Molina-Rivera, Wanda L., et al.
Published: (2021)

Surface-water, water-quality, and ground-water assessment of the Municipio of Caguas, Puerto Rico, 1997-99 /
by: Gómez-Gómez, Fernando
Published: (2001)

Water-quality reconnaissance of Laguna Tortuguero, Vega Baja, Puerto Rico, March 1999-May 2000 /
by: Soler-López, Luis R.
Published: (2006)

Assessment of ground-water withdrawals at municipal industrial parks in Puerto Rico, 2000 /
by: Rodríguez, José M.
Published: (2004)

Puerto Rico Aqueduct and Sewer Authority, Sergio Cuevas Bustamante Filtration Plant, Frujillo Alto, Puerto Rico /
by: Ewers, Lynda M.
Published: (1998)

Characterization of springflow in the north coast limestone of Puerto Rico using physical, chemical, and stable isotopic methods.
by: Rodríguez-Martínez, Jesús
Published: (1997)

Source, use, and disposition of freshwater in Puerto Rico, 2005 /
by: Molina-Rivera, Wanda L.
Published: (2009)

The politics of language in Puerto Rico /
by: Barreto, Amílcar Antonio
Published: (2001)

Planta de Filtracción Sergio Cuevas Bustamante, Autoridad de Acueducto y Alcantarillados de Puerto Rico, Frujillo Alto, Puerto Rico /
by: Ewers, Lynda M.
Published: (1998)

Accuracy of data for selected categories compiled in the Puerto Rico Water-Use Information Program.
by: Molina-Rivera, Wanda L.
Published: (1997)

Assessment of the habitats, biota, sediments, and water quality near the discharge of primary-treated effluent from the Mayagüez Regional Wastewater Treatment Plant, Bahía de Añasco, Puerto Rico /
Published: (2000)

Analysis of flow durations for selected streams in Puerto Rico through 1994 /
by: Atkins, J. B.
Published: (1999)

Hurricane Hortense : impact on ground water in Puerto Rico.
by: Gómez-Gómez, Fernando
Published: (1997)

A well system to recover usable water from a freshwater-saltwater aquifer in Puerto Rico /
by: Zack, Allen L.
Published: (1988)

Federally promulgated standards : proposed Oregon water quality standards-fact sheet.
Published: (2003)

Colonial debts : the case of Puerto Rico /
by: Zambrana, Rocío
Published: (2021)

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: (1994)

Water resources of Puerto Rico /
by: Wilson, Herbert M. (Herbert Michael), 1860-1920
Published: (1899)

Federally promulgated standards : water quality standards for Kansas-fact sheet.
Published: (2003)

The golden flower : a Taino myth from Puerto Rico /
by: Jaffe, Nina
Published: (2005)

Quantitative analysis of residential water-use patterns in Mayaguez, Puerto Rico /
by: Guilbe, Ausberto
Published: (1969)

Financial and Economic Challenges in Puerto Rico.
Published: (2015)

Characterization of stormwater discharges from selected industrial parks in Puerto Rico, 1995-96 /
by: Rodríguez, José M.
Published: (1998)

Idioma, bilingüismo y nacionalidad : la presencia del inglés en Puerto Rico /
by: Torres-González, Roamé, 1946-
Published: (2002)

Puerto Rico : Economy, Debt, and Options for Congress.
Published: (2015)

Our landless patria : marginal citizenship and race in Caguas, Puerto Rico, 1880-1910 /
by: Carrasquillo, Rosa E.
Published: (2006)

Our landless patria : marginal citizenship and race in Caguas, Puerto Rico, 1880-1910 /
by: Carrasquillo, Rosa E.
Published: (2006)

Examining Challenges in Puerto Rico's Recovery and the Role of the Financial Oversight and Management Board.
Published: (2017)

Synoptic survey of water quality and bottom sediments, San Juan Bay estuary system, Puerto Rico, December 1994-July 1995.
by: Webb, Richard M. T.
Published: (1998)