Soil : the yearbook of agriculture 1957 /
Soil : the yearbook of agriculture 1957 /
United States Department of Agriculture.
- U.S.D.A. : Forest Service, 1957.
- xiii, 784 p. : ill. ; 23 cm
Includes Index
Soil science.
631.4 / UNS 1957
Includes Index
Soil science.
631.4 / UNS 1957