| 51 | Non-compliance with water quality objectives on the Croyde stream (upper catchment) |
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| 52 | Hampshire and the Isle of Wight local contribution 2006/11 |
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| 53 | First annual review of the River Exe catchment management plan |
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| 54 | First annual review of the River Taw catchment management plan (1996) |
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| 55 | Identification of water quality problems in the Strat and Neet catchments |
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| 56 | River water quality in the Midlands 1994/95 : water quality summary data |
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| 57 | The quality of rivers in England and Wales (1990 to 1995) |
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| 58 | An assessment of river water quality in the River Kenn |
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| 59 | Guidelines for river corridor surveys in the NRA : February 1992. draft 3 |
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| 60 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
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| 61 | The Wandle, Beverley Brook, Hogsmill catchment management plan : action plan : July 1995 |
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| 62 | Distribution of Azolla in the Great Ouse catchment |
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| 63 | Assessment of the water quality before, during and post commissioning of the interim Falmouth sewage treatment scheme - Report No. TWQ/98/01- May 1998 |
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| 64 | The Influence of Variations in Flow on General Quality Assessment of Rivers - Summary Document |
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| 65 | River Teign corridor survey : prepared by Ecologue for the National Rivers Authority (South West Region) |
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| 66 | Integrated river corridor assessment : a pilot study of the rivers Wansbeck and North Tyne in Northumbria |
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| 67 | Where to fish on the River Wye and its tributaries : a guide to day ticket facilities |
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| 68 | The Warwickshire Avon catchment management plan : consultation report summary (NRA Severn-Trent 44) |
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| 69 | Lower Colne catchment management plan for flood defence and the environment : third draft |
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| 70 | River corridor strategic overview feasibility study : a report to the National Rivers Authority |
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| 71 | River Stort : draft catchment management plan for flood defence and the environment : May 1991 |
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| 72 | River Stour (2), Sudbury : report of a river corridor survey carried out for the National Rivers Authority, Anglian region |
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| 73 | Low flows and water resources : facts on the top 40 low flow rivers in England and Wales |
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| 74 | River Lemon corridor survey : a report prepared by Ecologue for the National Rivers Authority (South West Region) |
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| 75 | An investigation to determine if Deep Moor Landfill Site is causing an impact downstream in the Peagham Stream |
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