Mexico - Inventario forestal nacional, 1961-1964. Informe tecnico - Vol 3, informe sobre el estado de durango.

bark botanica botanical composition botanique botany clima climat climate composition botanique corteza data analysis desarrollo industrial diameter diametro ecologia ecologie ecology economic situation encuestas forestales especies forest land forest products industry forest resources forest surveys geomorfologia geomorphologie geomorphology hidrografia hydrographie hydrography industria forestal industrial development infraestructura infrastructure measurement mesure pinus quercus recursos forestales species stems tallos terrain forestier tierras forestales tige volume volumen