El bosque y la conservación del suelo
Subtitle: su importancia cultural y económica
By: Helmuth O. Wagner y Hans Lenz.
Contributors: Lenz, Hans, 1903-
Series: Enciclopédia popular ;; t. 40; Biblioteca enciclopédica popular, 3. época ;; 212; Biblioteca enciclopédica popular ;; 212.
Publisher: Secretaría de Educación Pública
Published: 1949
Place of publication: México
Language: spa
Number of pages: 143
Subjects: Forest influences.; Forests and forestry -- Mexico.; Soil conservation.
Notes: Bound with Beltrán, E. La protección de la naturaleza. México, 1949.