| 51 | An investigation to determine the source of high levels of gamma-HCH in the Newlyn River during summer 1989 |
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| 52 | The Adur and Ouse catchment abstraction management strategy : consultation document |
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| 53 | Water quality investigations in the Newlyn river catchment |
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| 54 | State of the environment report 2001 : West Midlands Region |
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| 55 | Quality audit of biological samples for the 1990 river quality survey |
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| 56 | Environmental planning issues in the North Wessex area |
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| 57 | Report on the quality of bathing waters 1990 |
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| 58 | Continuous water quality monitoring results for the Carnon river |
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| 59 | An investigation of the water quality in three Plymouth catchment streams |
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| 60 | An investigation into the bathing water quality at Porthallow |
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| 61 | First annual review of the River Tone catchment management plan |
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| 62 | Pesticide residues in fish taken from the Newlyn River (1992) |
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| 63 | Cyanobacteria (blue-green algae) in the south west region 1989 |
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| 64 | Quality audit of biological samples for the 1991 river quality survey |
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| 65 | Investigations of discharges into the River Lemon at Newton Abbot |
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| 66 | An assessment of river water quality in the River Kenn |
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| 67 | The identification and investigation of a dinoflagellate bloom in Mounts Bay, Cornwall |
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| 68 | The River Arun catchment management plan : action plan |
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| 69 | Second annual review of the Sid/Otter catchment management plan 1999 |
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| 70 | Fishery survey of the Bridgwater and Taunton Canal |
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| 71 | Sustaining our resources : the way forward : summary document |
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| 72 | Historic changes in the Upper River Ehen Catchment- Summary |
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| 73 | A second stage evaluation of the Grant YSI3815 Water Logger |
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| 74 | Reduction in aldrin and dieldrin concentrations in the Newlyn River |
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| 75 | The Tame catchment management plan : consultation report summary : January 1996 |
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