TY  - BOOK
AU  - Gustafson,A.F
TI  - Conservation of the soil
U1  - Ag253 
PY  - 1937///
KW  - English Literature
N1  - Ag mean  Agriculture Page 512-519 in A-Z Register (Acc. No. Ag1-Ag229) & Page 564-572 (Acc. No. Ag230-Ag469)
ER  -