Nigeria - Irrigation potential of the Zamfara river valley - Report to the government.
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| Format: | Texto biblioteca |
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1964
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| Subjects: | IRRIGATION, WATERSHEDS, SURVEYING, CARTOGRAPHY, HYDROLOGY, CLIMATOLOGY, TOPOGRAPHY, SOIL, IRRIGATED LAND, BASSIN VERSANT, RIEGO, CUENCAS HIDROGRAFICAS, RELEVE (DES DONNEES), CARTOGRAPHIE, HYDROLOGIE, CLIMATOLOGIE, TOPOGRAPHIE, SOL, TERRE IRRIGUEE, PROCEDIMIENTO DE LA ENCUESTA, CARTOGRAFIA, HIDROLOGIA, CLIMATOLOGIA, TOPOGRAFIA, SUELO, REGADIO, |
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