Conservation of the soil
By: by A. F. Gustafson...
Series: McGraw-Hill publications in the agricultural and botanical sciences, E. W. Sinnott, consulting editor
Publisher: McGraw-Hill
Published: 1937
Place of publication: New York and London
Language: eng
Number of pages: 312
Subjects: Erosion; Soils -- United States
Notes: Bibliography at end of some of the chapters.