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1by Puig, Juan C. (Juan Carlos)Subjects: “...Groundwater Puerto Rico Caguas Region....”
Published 1993
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2by Torres-González, ArturoSubjects: “...Groundwater Puerto Rico....”
Published 1984
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3by Torres-González, SigfredoSubjects: “...Groundwater Puerto Rico....”
Published 1991
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4by Quiñones, F. (Ferdinand)Subjects: “...Groundwater Puerto Rico....”
Published 1985
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5by Pérez-Blair, FranciscoSubjects: “...Groundwater Puerto Rico Espíritu Santo River....”
Published 1997
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7by Rodríguez-Martínez, JesúsSubjects: “...Groundwater Puerto Rico....”
Published 1991
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8by Torres-González, SigfredoSubjects: “...Groundwater Puerto Rico Manatí River Region....”
Published 2002
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9by Zack, Allen L.Subjects: “...Groundwater Puerto Rico....”
Published 1988
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10Subjects: “...Groundwater Puerto Rico Juana Diaz Region Maps....”
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11by Gómez-Gómez, FernandoSubjects: “...Groundwater Puerto Rico....”
Published 1980
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12by Zack, Allen L.Subjects: “...Groundwater Puerto Rico Quality....”
Published 1987
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13Subjects: “...Groundwater Puerto Rico Maps....”
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14Subjects: “...Groundwater Puerto Rico....”
Government Document Book -
15by Rodríguez-Martínez, JesúsSubjects: “...Groundwater Puerto Rico....”
Published 1991
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16
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17by Rodríguez-Martínez, JesúsSubjects: “...Groundwater Puerto Rico Cabo Rojo....”
Published 1996
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18Published 1990Subjects: “...Groundwater Puerto Rico Maps....”
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19Published 1997Subjects: “...Groundwater Puerto Rico Manati Region Maps....”
Government Document Map -
20by Rodríguez-Martínez, JesúsSubjects: “...Groundwater Puerto Rico Quality....”
Published 1997
Government Document Book