Soil classification: a comprehensive system
Soil classification: a comprehensive system
[prepared by] soil survey staff. 7th approximation.
- [Washington] 1960.
- v, 265 p. illus. 28 cm.
Bibliographical footnotes.
agr60000310
Soils--Classification.
S591 / .A56 1960
631.44
Bibliographical footnotes.
agr60000310
Soils--Classification.
S591 / .A56 1960
631.44