Soil survey manual /
Soil survey staff.
Soil survey manual / Soil survey staff. - Calcutta : Oxford and IBH Publishing Company, 1966. - vii, 503 p. ; 23 cm.
Soils - Survey - Manuals
631.47
Soil survey manual / Soil survey staff. - Calcutta : Oxford and IBH Publishing Company, 1966. - vii, 503 p. ; 23 cm.
Soils - Survey - Manuals
631.47