| 251 | Glaslyn, Dwyryd, Artro catchment management plan : consultation report May 1995 |
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| 252 | Glaslyn/Dwyryd/Artro catchment management plan: consultation report summary |
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| 253 | Irwell catchment management consultation report : summary |
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| 254 | Lower Bristol Avon catchment management plan : consultation report : March 1995 |
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| 255 | North Somerset rivers : first annual review - April 2000 |
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| 256 | River Irwell catchment management plan : consultation report : chapter five - River Irk sub-catchment : September 1994 |
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| 257 | River Irwell catchment management plan : consultation report : chapter four - River Croal sub-catchment : September 1994 |
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| 258 | River Irwell catchment management plan : consultation report : chapter one - River Irwell introduction : September 1994 |
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| 259 | River Irwell catchment management plan : consultation report : chapter two - Upper Irwell sub-catchment : September 1994 |
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| 260 | River Irwell catchment management plan: consultation report : chapter three - River Roch sub-catchment: September 1994 |
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| 261 | River Irwell catchment management plan: consultation report: chapter seven - Lower Irwell sub-catchment: September 1994 |
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| 262 | River Irwell catchment management plan: consultation report: chapter six - River Medlock sub-catchment: September 1994 |
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| 263 | Upper Mersey catchment management plan : consultation report |
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| 264 | The Don, Rother and Dearne catchment (river factfiles) |
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| 265 | Arctic charr from Ennerdale Water : a pilot study |
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| 266 | Decision document on the review of authorisations for British Nuclear Fuels plc to dispose of radioactive wastes from the Springfield nuclear site : main document |
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| 267 | North West Region Plan Summary 1991/1992 |
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| 268 | Policy and practice for the protection of groundwater : North West region : 2nd edition, 1995 |
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| 269 | Ribble catchment management consultation report summary : March 1995 |
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| 270 | River Irwell catchment management plan : action plan : September 1995 |
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| 271 | River Ribble catchment management plan : first annual review |
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| 272 | Salmon action plan consultation : River Ribble, September 1999 |
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| 273 | River Ribble juvenile fish stock assessment 2003, with particular reference to salmonids |
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| 274 | The Ribble Estuary 1992 surveys : summary of results |
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| 275 | Savick Brook electrofishing survey 2001 |
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