00436nam a2200145Ia 4500 190328s9999||||xx |||||||||||||| ||und|| NITIL NITIL 21st 631.45 S782S Stallings, J H Soil conservation J H Stallings Englewood Prentice Hall 1957 vii, 575p. Soil conservation; Soil erosion; Soil structures; Soil surveys; Land use BKS 23921 23921 0 0 DDC 0 0 NITIL NITIL 2019-04-03 0 631.45 S782S 20799 2019-04-03 00:00:00 2019-04-03 BKS