A report on a reconnaissance survey of the resources of the walawe ganga basin Ceylon
A report on a reconnaissance survey of the resources of the walawe ganga basin Ceylon [Text]
Photographic Survey Corporation Limited, Toronto
- Colombo Government Press 1960
- 359 p. ill., folded maps 27 cm.
A Canada-Ceylon Colombo Plan Project
Economics
Economics of land and energy / Natural resources and energy
333.73095493 / PHO
A Canada-Ceylon Colombo Plan Project
Economics
Economics of land and energy / Natural resources and energy
333.73095493 / PHO