Soil survey manual
Soil Survey Staff
- Washington, United States Department of Agriculture 1937
- VII, 503 p. : illus. ; 24 cm.
Includes bibliography and Index
agr37000657
Soil surveys
/ .K42
631.47 / UNS
Includes bibliography and Index
agr37000657
Soil surveys
/ .K42
631.47 / UNS