Los grandes problemas nacionales
Subtitle: la irrigación del valle del Cauca
Publisher: Imprenta nacional
Published: 1936
Place of publication: Bogotá
Language: spa
Number of pages: 60
Subjects: Irrigation
Notes: Microfilm. New York, N.Y., Columbia University Libraries, 1997. 1 microfilm reel, 35 mm.

Filmed; NEH Project (FMEST); 1997.