TY  - BOOK
ED  - Soil Survey Staaf
TI  - Siol survey manual
T2  - Dept. Agriculture Handbook No.18
U1  - 613.4 
PY  - 1966///
CY  - Bombay 
PB  - Oxford and IBH
KW  - Soil survey
KW  - Soil survey -- Agriculture
N1  - includes appendix and index
ER  -