Soil survey manual

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Bibliographic Details
Main Authors: Agriculture Research Administration, Washington, DC (USA) eng, United States Dept. of Agriculture, Washington, DC (USA) eng
Format: Texto biblioteca
Language:
Published: Washington, DC (USA) USDA, ARA 1951
Subjects:SOIL SURVEYS, SURVEYING, RELEVE (DES DONNEES), ENQUETE PEDOLOGIQUE, PROCEDIMIENTO DE LA ENCUESTA, RECONOCIMIENTO DE SUELOS,
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