| 51 | Second annual review of the Sid/Otter catchment management plan 1999 |
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| 52 | Impact assessment of acidic and metalliferous pollution in the Fowley Stream |
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| 53 | Artificial recharge to groundwater in the Otter valley |
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| 54 | Non-compliance of the Bidwell Brook with river quality objectives |
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| 55 | Report on the survey of SBM handlers in Devon |
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| 56 | Second annual review of the River Torridge catchment management plan |
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| 57 | Review of fishery regulations on the Rivers Taw and Torridge |
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| 58 | An investigation into the incidence of spurting from weeping wall slurry stores |
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| 59 | Second annual review of the River Taw catchment management plan |
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| 60 | First annual review of the Taw/Torridge estuary catchment management plan (1996) |
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| 61 | An investigation to determine the water quality of Churchstanton Stream |
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| 62 | An investigation into the sewage system and storm overflow at Beer (1997) |
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| 63 | 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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| 64 | 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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| 65 | Investigation to determine the cause of the long-term BOD failure at Higher Weaver routine monitoring site (70532960) for 1995 and 1997 |
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| 66 | 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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| 67 | A study to investigate and propose remedies for river quality problems in the Madford catchment |
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| 68 | National marine baseline survey 1995 : littoral cell 7 : Lands End to the Severn Estuary |
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| 69 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
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| 70 | Devon area internal report - further investigations into pipe discharges in the Lower Teign estuary |
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| 71 | The disposal of sheep dip waste (R and D Report 11) : effects on water quality |
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| 72 | Investigation into the frequency of storm overflow operation at Bradworthy sewage treatment works (1996) |
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| 73 | Two year aesthetic survey of beaches in the South West (1990 and 1991) |
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| 74 | Investigation into the storm overflow discharge regime of Hill Barton Seawage Treatment Works Okehampton |
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| 75 | River Teign corridor survey : prepared by Ecologue for the National Rivers Authority (South West Region) |
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