Rupasinghe, M.2013-10-102013-10-102013Vidurava, 30(01):p.3-6https://dl.nsf.gov.lk/handle/1/9954Environmental SciencesGem industryEnvironmental impactSoil erosionWater pollutionSedimentation damagesNatural resourcesPlantationLandGeomorphologyStreams and river banksThe gem industry in Sri Lanka and its environmental impactsA