Mexico - National forest inventory, 1961-1964 - General report.

agricultural and rural legislation altura bosques botanical composition composition botanique coniferales data analysis deforestation diameter diametro encuestas forestales especies forecasting forest land forest management forest protection forest stands forest surveys forestry policies forests fotogrametria grading hauteur height investment logs marketing measurement mesure muestreo peuplement forestier photogrammetrie photogrammetry photointerpretation pinus procedimiento de la encuesta production forests pulp reforestation rodales roundwood sampling scrub silvicultural systems sistemas silviculturales species state intervention surveying terrain forestier tierras forestales topografia topographie topography uses volume volumen