| 26 | River Looe catchment river water quality classification 1991 |
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| 27 | River Looe : catchment action plan |
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| 28 | River Fowey catchment river water quality classification 1991 |
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| 29 | Investigations of discharges into the River Lemon at Newton Abbot |
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| 30 | Rivers Sid and Otter catchment management plan : consultation report |
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| 31 | Red River (R23A003) EC Dangerous Substance Directive failure 1993 : final draft report |
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| 32 | River Otter : catchment action plan |
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| 33 | Red River, Portreath, Bolingey and Perranporth catchment river water quality classification 1990 |
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| 34 | Investigation of mercury contamination in the Red River catchment, West Cornwall |
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| 35 | 1990 classification of estuary quality |
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| 36 | Regional water quality monitoring and surveillance programme for 1993 : quality investigations in controlled waters : final draft report |
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| 37 | Artificial recharge to groundwater in the Otter valley |
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| 38 | Lower Nene catchment management plan : summary report |
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| 39 | River Otter : environmental data review. Volume 4 : appendices : River Otter environmental study 1993/94 |
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| 40 | River Deben alleviation of low flows scheme : an environmental appraisal. Appendices |
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| 41 | River Otter : environmental data review. Volume 1 : summary : River Otter environmental study 1993/94 |
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| 42 | South Essex catchment management plan : consultation report summary |
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| 43 | River Deben alleviation of low flows scheme : an environmental appraisal. Additional background information |
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| 44 | River Cherwell consultation report |
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| 45 | River Cherwell catchment review |
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| 46 | River habitats in England and Wales : a national overview : river habitat survey report no 1 |
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| 47 | River Cherwell fact file |
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| 48 | River Otter : environmental data review. Volume 3 : figures and tables : River Otter environmental study 1993/94 |
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| 49 | Hysim model : modelling the flows of the River Deben |
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| 50 | Biological survey report - Chess catchment, June-Oct 1992 |
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