00673cam a22001457a 4500008003600000082001200036245017900048260007700227300000900304440007600313650003200389650001800421650002000439700006800459180718b xxu||||| |||| 00| 0 eng d aO91 S26 aScheme for zoning and classification of Indian rivers estuaries and coastal waters (part one: sweet water)cby Central Board for the Prevention and Control of Water Pollution aDelhibCentral Board for the Prevention and Control of Water Pollutionc a41p. aAssessment and development study of river basin series: Adsorbs/3/78-79 aWatershed management- India aRivers- India aWater pollution aCentral Board for the Prevention and Control of Water Pollution