BROHIER, R.L. Ancient irrigation works in Ceylon part III - Govt.Record Office Colombo 1935 - 77 - Irrigation Lakes Tanks Sketch map Nat. Bib. No.: 4390 Nat. Bib. Agency Control No.: 631.67BRO SL Subjects--Topical Terms: Agriculture Universal Decimal Class. No.: 631.67(548.7) 1