Aranzadi Zientzia Elkartea Liburutegia

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Relation between ground water and surface water in Brandywine creek basin Pennsylvania / by F. H. Olmsted and A. G. Hely.

by Olmsted, F. H | Hely, Allen G, 1908-1991.

Material type: book Book Publisher: Washington : United States Government Printing Office, 1962Availability: Items available for loan: Biblioteca Aranzadi [Call number: 556(748) OLM] (1).
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Some relations between streamflow characteristics and the environment in the Delaware river region / by A. G. Hely and F. H. Olmsted.

by Hely, Allen G, 1908-1991 | Olmsted, F. H.

Material type: book Book Publisher: Washington : United States Government Printing Office, 1963Availability: Items available for loan: Biblioteca Aranzadi [Call number: 556(751) HEL] (1).
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Precipitation, Runoff and water loss in the lower Colorado river-salton sea area / by Allen G. Hely and Eugene L. Peck.

by Hely, Allen G, 1908-1991 | Peck, Eugene L.

Material type: book Book Publisher: Washington : United States Government Printing Office, 1964Availability: Items available for loan: Biblioteca Aranzadi [Call number: 551.577(788) HEL] (1).
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Lower Colorado river water supply- its magnitude and distribution / by Allen G. Hely.

by Hely, Allen G, 1908-1991.

Material type: book Book Publisher: Washington : United States Government Printing Office, 1969Availability: Items available for loan: Biblioteca Aranzadi [Call number: 556.53(788) HEL] (1).
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