Soil survey manual.
- Washington : Government Printing Office , 1951
- vii, 503p. : ill. ; 20 cm.
- USDA agriculture handbook .
Includes bibliographical references and index.
Agriculture
Soil surveys
Manuals
Soils
631.4 / US
Includes bibliographical references and index.
Agriculture
Soil surveys
Manuals
Soils
631.4 / US