| 251 | Humber estuary : state of the environment 1998 |
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| 252 | Invertebrate animals of the tidal Thames |
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| 253 | Drought in the South : in depth |
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| 254 | Safeguarding the lower bristol avon - public consultation |
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| 255 | Monitoring the coast for flood defence |
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| 256 | Fishery survey of the River Axe catchment |
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| 257 | Synoptic State of the Environment Monitoring |
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| 258 | Evaluating The Benefits Of Hydrometric Networks |
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| 259 | The River Severn (NRA Severn-Trent 65) |
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| 260 | The Recreational Use of Floodbanks Phase 1 |
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| 261 | Beneath the town : safeguarding Bodmin from flooding |
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| 262 | General introduction to the Water Framework Directive |
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| 263 | Pesticides in the aquatic environment 1995 |
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| 264 | Garden with care and protect the environment |
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| 265 | Navigations in the Anglian Region (NRA) |
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| 266 | Canoeist guide to the River Severn |
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| 267 | Investigation to determine if the soakaway from the Stowford Farm caravan site is having an impact on the biological community of the Colam stream |
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| 268 | Lake restoration : the role of biomanipulation : a one day seminar held in the Broads 18th March 1993 : organised by the National Rivers Authority and the Broads Authority |
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| 269 | Shrewsbury flood defences : the next steps |
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| 270 | The Restoration of Vegetation on Saltmarshes |
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| 271 | Lake Mutanda in the Kigezi District |
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| 272 | A user's guide to the River Thames |
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| 273 | The River Ogmore action plan support document |
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| 274 | About the North West region : factfile |
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| 275 | On duty round the clock : fact file |
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