TY  - BOOK
AU  - Shivanna, H
TI  - Engineering for agricultural drainage
SN  - 935056260
U1  - 631.62 
PY  - 2013///
CY  - New Delhi
PB  - Discovery publishing house Pvt .LTD
KW  - soil
KW  - land drainage
KW  - maps and records
KW  - open drains
KW  - flow of water
ER  -