| 51 | The Yarrow catchment : recommendations for statutory water quality objectives |
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| 52 | Review of water resources in the Fylde Aquifer and Wyre catchment |
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| 53 | The quality of rivers and estuaries in Northumbria region 1990 |
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| 54 | Non-compliance with water quality objectives on the Croyde stream (upper catchment) |
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| 55 | The Ribble Estuary 1992 surveys : summary of results |
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| 56 | Identification of water quality problems in the Strat and Neet catchments |
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| 57 | The Swale, Ure and Ouse catchment (river factfiles) |
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| 58 | Air dispersion climate from the Castle Cement works at Ribblesdale |
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| 59 | The Don, Rother and Dearne catchment (river factfiles) |
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| 60 | Impact assessment of acidic and metalliferous pollution in the Fowley Stream |
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| 61 | Habitat preferences of the bullhead (Cottus gobio) in some Norfolk rivers |
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| 62 | An investigation to determine if South Molton STW is the cause of elevated copper and zinc concentrations downstream in the River Mole [DEV/E/18/95] |
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| 63 | The environmental requirements of adult Atlantic salmon (Salmo salar L.) during their upstream migration in the Northwest Miramichi River, New Brunswick. Draft. |
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| 64 | A macroinvertebrate survey of the Releath stream and associated tributaries within the vicinity of Trevethan Farm : final draft report - Water Quality section, Cornwall area |
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| 65 | Datchet, Wraysbury, Staines and Chertsey flood study : aquatic biology. Part 2 : a survey of the wetland vegetation and aquatric macroinvertebrates of the Abbey River and Chertsey Bourne |
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| 66 | Interim review of drought management experience in the North West Region of the National Rivers Authority. lessons learned (29th June 1995 - March 31st 1996) |
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| 67 | Investigation of the effects of sewage treatment works discharges on receiving waters in the Lowermoor Water Treatment Works supply area November 1989 |
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| 68 | Decision document on the review of authorisations for British Nuclear Fuels plc to dispose of radioactive wastes from the Springfield nuclear site : main document |
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| 69 | An assessment of mercury contamination in the Red River catchment : final draft report |
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| 70 | Biological report of the 1991 coastal and estuarine survey from Crosby to Glasson |
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| 71 | The River Babingley. Volume 1 : executive summary : a report for National Rivers Authority, Anglian Region |
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| 72 | Impact assessment of Meldon quarry on water quality in the West Okement river |
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| 73 | Greatham Creek tidal defences inter regional review : prepared for the purposes of legal proceedings |
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| 74 | Survey of physical characteristics of salmon spawning riffles in the river North Tyne
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| 75 | Review of Literature on the Effect on Aquatic Communities of Particulate Copper in River Systems
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