Sellahewa, Ananda
Guidelines for rehabilitation of tertiary canals in system 'H' - Colombo Mahaweli Authority 2000 - 40p.
72905 - PR 72906 - SLSC
Irrigation canals
Mahaweli Project
Sri Lanka
626.8(548.7) / S4
Guidelines for rehabilitation of tertiary canals in system 'H' - Colombo Mahaweli Authority 2000 - 40p.
72905 - PR 72906 - SLSC
Irrigation canals
Mahaweli Project
Sri Lanka
626.8(548.7) / S4