Ancient irrigation works in Ceylon,
Brohier, Richard Leslie,
Ancient irrigation works in Ceylon, by R. L. Brohier. Written ... under the direction of G. K. Thornhill, Surveyor-General. - Colombo, To be purchased at the Govt. Publications Bureau, 1934 [reprinted 1968- - 64p
Irrigation engineering--History.--Sri Lanka
Hydraulic structures--History.--Sri Lanka
770 / BRO
Ancient irrigation works in Ceylon, by R. L. Brohier. Written ... under the direction of G. K. Thornhill, Surveyor-General. - Colombo, To be purchased at the Govt. Publications Bureau, 1934 [reprinted 1968- - 64p
Irrigation engineering--History.--Sri Lanka
Hydraulic structures--History.--Sri Lanka
770 / BRO