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Estimated water use in Puerto Rico, 1980-82 microform by Heriberto Torres-Sierra and Ada Avilés ; prepared in cooperation with the Puerto Rico Department of Natural Resources ... [et al.]. por

Series U.S. Geological Survey open-file report ; 85-557.

Detalles de publicación: San Juan, P.R. Denver, Colo. U.S. Dept. of the Interior, Geological Survey Open-File Services Section, Western Distribution Branch 1986

Disponibilidad: Ítems disponibles para préstamo: Biblioteca Encarnación Valdés (2)Signatura topográfica: 333.91 T693e, ...

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Use of surface-geophysical techniques for ground-water exploration in the Canovanas-Rio Grande area, Puerto Rico by Arturo Torres-González ; prepared in cooperation with the Department of Agriculture of the Commonwealth of Puerto Rico. por

Series U.S. Geological Survey water resources-investigations report ; 83-4266

Detalles de publicación: San Juan, P.R. Denver, Colo. U.S. Dept. of the Interior, Geological Survey Open-File Services Section, Western Distribution Branch 1985

Disponibilidad: Ítems disponibles para préstamo: Biblioteca Encarnación Valdés (1)Signatura topográfica: 333.91 T693u.

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Simulation of ground-water flow in the water-table aquifer near Barceloneta, Puerto Rico by Arturo Torres-González ; prepared in cooperation with the Puerto Rico Department of Natural Resources. por

Series U.S. Geological Survey water resources-investigations report ; 84-4113

Detalles de publicación: San Juan, P.R. Denver, Colo. U.S. Dept. of the Interior, Geological Survey Open-File Services Section, Western Distribution Branch 1985

Disponibilidad: Ítems disponibles para préstamo: Biblioteca Encarnación Valdés (1)Signatura topográfica: 333.91 T693s.

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