Irrigation canal lining
KRAATZ, D.B.
Irrigation canal lining - Rome 1977 - 199p - FAO Land and water development series,no.1 .
IRRIGATION CANALS AND FLOWERS -- LININGS
IRRIGATION CANALS AND FLOWERS -- LININGS
627.13 K95I
Irrigation canal lining - Rome 1977 - 199p - FAO Land and water development series,no.1 .
IRRIGATION CANALS AND FLOWERS -- LININGS
IRRIGATION CANALS AND FLOWERS -- LININGS
627.13 K95I