| 276 | Comparison of ecolgical data |
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| 277 | St Columb Major STW UV disinfection survey 1994 : final draft report |
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| 278 | Seaton, Looe and Fowey catchment management plan : first annual review |
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| 279 | North Cornwall coastal streams : catchment action plan |
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| 280 | General Quality Assessment (GQA) Devon Area 1994 |
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| 281 | Corporate responsibility North West region (2005)
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| 282 | North Devon coastal streams : catchment action plan |
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| 283 | An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge |
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| 284 | North West Region corporate performance monitoring report 1999/2000 |
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| 285 | Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River |
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| 286 | Conservation, biology and recreation annual report 1998-99 : North West |
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| 287 | River Camel catchment river water quality classification 1991 |
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| 288 | Taw/Torridge estuary management plan : stage 1 : statement of catchment uses and problem identification |
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| 289 | Devon area internal report - portilly outfall - Camel Estuary bathymetric survey |
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| 290 | River Strat catchment river water quality classification 1990 |
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| 291 | River Taw catchment river water quality classification 1990 |
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| 292 | River Gannel catchment river water quality classification 1990 |
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| 293 | River Looe catchment river water quality classification 1991 |
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| 294 | River Torridge catchment river water quality classification 1991 |
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| 295 | The River Avon and its tributaries near Malmesbury : river management studies |
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| 296 | Porth, Gluvian and Menalhyl catchment river water quality classification 1991 |
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| 297 | River Seaton catchment river water quality classification 1991 |
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| 298 | Impact assessment of acidic and metalliferous pollution in the Fowley Stream |
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| 299 | Investigation of mercury contamination in the Red River catchment, West Cornwall |
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| 300 | Red River : catchment action plan |
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