Soil survey manual.
Soil Survey Staff, Bureau of Plt. Industry, Soil and Agric. Engineering
Soil survey manual. [Text] Soil Survey manual - Ind.ed. - New Delhi Oxford & IBH 1965 - vii, 503 p. ill. plate. 23 cm. - US Dept. Agri. Handbook .
631.47 / SOI
Soil survey manual. [Text] Soil Survey manual - Ind.ed. - New Delhi Oxford & IBH 1965 - vii, 503 p. ill. plate. 23 cm. - US Dept. Agri. Handbook .
631.47 / SOI