A pro forma for a stream survey with respect to fisheries.
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| Main Author: | |
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| Format: | Texto biblioteca |
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| Published: |
1959
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| Subjects: | DATA PROCESSING, FISHERY RESOURCES, SURVEYING, RIVERS, METHODS, TRAITEMENT DES DONNEES, RESSOURCE HALIEUTIQUE, RELEVE (DES DONNEES), COURS D'EAU, PROCESAMIENTO DE DATOS, RECURSOS PESQUEROS, PROCEDIMIENTO DE LA ENCUESTA, CURSOS DE AGUA, METHODE, METODOS, |
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