Gustafson, A. F. 1880-1942.
Conservation of the soil / A. F. Gustafson. - New York : London : McGraw-Hill, c1937. - xvii, 312 p. : ill, ; 24cm. - McGraw-Hill publications in the agricultural and botanical sciences / edited by Leon J. Cole. .
includes index and references .
37005180
Erosion
Soils--United States
S623 / .G8
631.4 / GUC
Conservation of the soil / A. F. Gustafson. - New York : London : McGraw-Hill, c1937. - xvii, 312 p. : ill, ; 24cm. - McGraw-Hill publications in the agricultural and botanical sciences / edited by Leon J. Cole. .
includes index and references .
37005180
Erosion
Soils--United States
S623 / .G8
631.4 / GUC