| 51 | Second annual review of the Sid/Otter catchment management plan 1999 |
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| 52 | Review of fishery regulations on the Rivers Taw and Torridge |
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| 53 | First annual review of the River Taw catchment management plan (1996) |
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| 54 | An investigation to determine the water quality of Churchstanton Stream |
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| 55 | Non-compliance of the Bidwell Brook with river quality objectives |
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| 56 | The Seaton, Looe and Fowey catchment management plan : action plan |
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| 57 | Impact of reservoir construction construction on the Bruckland Stream |
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| 58 | Investigation into the cause of high phenols in Budleigh Brook (1998) |
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| 59 | An investigation into the incidence of spurting from weeping wall slurry stores |
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| 60 | Non-compliance with water quality objectives on the Croyde stream (upper catchment) |
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| 61 | Public water supplies in the NRA - Wessex Region : initial report 1990 |
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| 62 | Wimbleball pumped storage scheme : review of environmental statement (appendix B3) : implications for water quality in Wimbleball Reservoir, the River Exe (non QUASAR) parameters) and the Exe estuary |
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| 63 | 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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| 64 | 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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| 65 | Investigation into the storm overflow discharge regime of Hill Barton Seawage Treatment Works Okehampton |
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| 66 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
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| 67 | Two year aesthetic survey of beaches in the South West (1990 and 1991) |
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| 68 | River Teign corridor survey : prepared by Ecologue for the National Rivers Authority (South West Region) |
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| 69 | Impact assessment of Meldon quarry on water quality in the West Okement river |
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| 70 | The disposal of sheep dip waste (R and D Report 11) : effects on water quality |
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| 71 | Investigation into the frequency of storm overflow operation at Bradworthy sewage treatment works (1996) |
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| 72 | National marine baseline survey 1995 : littoral cell 7 : Lands End to the Severn Estuary |
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| 73 | River Meavy salmon and sea trout populations : assessment of the impact of flows |
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| 74 | Devon area internal report - further investigations into pipe discharges in the Lower Teign estuary |
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| 75 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
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