Szechowycz, R.W.2014-12-162014-12-161959The Ceylon Forester, 4(2)(New series):p.207-212https://dl.nsf.gov.lk/handle/1/16736Natural SciencesHydrologyAgricultureColonizationDam constructionWatershedsCatchment areasBenefits and damages to the amenities, scenic recreational resources; fish and wildlife