Problems of river pollution
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Parker, A.
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Article
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1936
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Wiley (John Wiley & Sons)
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Discliiirgc of crude doincstic sewiige iind wnstes of viirious kiiids into rivers i i i i d strcnins lins long bccii prnctised ns nii cnsy incthod of rcinoviiig filth froin iiilinhitctl nrciis niid of carrying it rimy t o tlic sen. For csnmplc, tlicrc is cvidcncc iiidicntiiig that the niiciciit Egyp