Mexico - Extraccion de madera en las zonas montanosas - Informe al gobierno.
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| Format: | Texto biblioteca |
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1957
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| Subjects: | TRANSPORT, CONVEYERS, HIGHLANDS, LOGGING, WOOD, FORESTS, USES, LOGGING EQUIPMENT, OPERATING COSTS, TRACTORS, TRANSPORTEUR, REGION D'ALTITUDE, RECOLTE DU BOIS, BOIS, FORET, TRANSPORTE, TRANSPORTADORAS, ZONA DE MONTANA, APROVECHAMIENTO DE LA MADERA, MADERA, BOSQUES, UTILISATION, MATERIEL D'EXPLOITATION FORESTIERE, COUT OPERATIONNEL, TRACTEUR, USOS, EQUIPO PARA EXPLOTACION FORESTAL, COSTOS DE EXPLOTACION, TRACTORES, |
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