| 276 | National marine baseline survey 1995 : littoral cell 7 : Lands End to the Severn Estuary |
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| 277 | National marine baseline survey 1995 : littoral cell 4 : the Thames to Selsey Bill |
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| 278 | Aldrin and dieldrin concentrations in the Newlyn catchment during 1991 an interim report |
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| 279 | Mercury and methylmercury in the river Yare, Norfolk (1986 - 1992) : executive summary (OI/420/9/A) |
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| 280 | Investigation into the intermittent failure of Wembury Beach to comply with EC bathing water |
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| 281 | Impact assessment of scour valve test at Roadford Reservoir on water quality of the River Lyd |
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| 282 | Policy and practice for the protection of groundwater : regional appendix South West region |
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| 283 | Report on the By Brook low flow investigations : October 2001 : volume 2 : (figures, maps and appendices) |
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| 284 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
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| 285 | Devon area internal report - further investigations into pipe discharges in the Lower Teign estuary |
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| 286 | Groundwater management in the North West: efficiency review and business plan: certificate in management |
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| 287 | Policy and practice for the protection of groundwater : North West region : 2nd edition, 1995 |
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| 288 | Annual classification of river water quality 1992 : numbers of samples exceeding the quality standard |
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| 289 | Heavy metal contaminants in fish caught from the Mersey Estuary and inshore Liverpool Bay |
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| 290 | Future water resources in the Thames Region : a strategy for sustainable management : summary document |
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| 291 | Analysis of bacteriological contamination and accumulation of metals and organics in the mussel (Mytilus edulis) |
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| 292 | Striking the right balance : Somerset Levels and Moors water level management strategy review |
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| 293 | Investigation of tecnazene contamination in the Chyandour Brook west Cornwall during spring 1990 |
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| 294 | A change to your licence and the environment : key facts about Anglian region |
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| 295 | Quantification of the relationship between effluent quality and biological quality : interim report for stage 1 |
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| 296 | Review of flood defence practices on the Somerset Levels and Moors : document 3 : maps and figures |
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| 297 | Biological report of the 1992 coastal and estuarine survey from Crosby to Glasson |
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| 298 | Future foundations : building a better South West : a sustainable construction charter for the region |
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| 299 | The Somerset Levels and Moors : water level management and nature conservation : consultation paper |
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| 300 | River Wissey investigations : linking hydrology and ecology : summary of a recommendations for the River Wissey (OI/526) |
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