Mahaveli ganga basin development
Sri Lanka. Irrigation Department
Mahaveli ganga basin development Vol. 1, trans basin diversion scheme feasibility of development [Text] Sri Lanka. Irrigation Department - Colombo Ministry of Agriculture and Lands 1961 - xv, 71 p. 28 cm. folded maps, tables
Economics
Economic development
333.73095493 / SRI
Mahaveli ganga basin development Vol. 1, trans basin diversion scheme feasibility of development [Text] Sri Lanka. Irrigation Department - Colombo Ministry of Agriculture and Lands 1961 - xv, 71 p. 28 cm. folded maps, tables
Economics
Economic development
333.73095493 / SRI