Soil survey manual
Soil survey manual
/ Soil survey division staff
- Calcutta: Oxfors & IBH Publishng Co., 1966
- vii, 503p.
- United States department of agriculture handbook 18 .
Agriculture
Soil survey Soil series
631.47:528.46(02)(595) / K6
Agriculture
Soil survey Soil series
631.47:528.46(02)(595) / K6