Vergelin, Cesar F.
Water erosion in the carcarana watershed : an economic study / Cesar F. Vergelin - Wisconsin : Wisconsin University 1971 - xi, 181p. : ill. ; 30 cm. - Ph. D. Thesis in agriculture .
Includes bibliographical references.
Soil erosion
Th 631.455 VER
Water erosion in the carcarana watershed : an economic study / Cesar F. Vergelin - Wisconsin : Wisconsin University 1971 - xi, 181p. : ill. ; 30 cm. - Ph. D. Thesis in agriculture .
Includes bibliographical references.
Soil erosion
Th 631.455 VER