| 26 | River Habitat Quality the physical character of rivers and streams in the UK and Isle of Man |
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| 27 | Second annual review of the Sid/Otter catchment management plan 1999 |
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| 28 | Second annual review of the Seaton, Looe and Fowey catchment management plan |
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| 29 | Pesticides in the aquatic environment 1997 : executive summary |
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| 30 | NRA superannuation report and accounts for the period ended 31 March 1991 |
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| 31 | Corporate Environmental Reporting in the UK Water Sector - A Concise Review |
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| 32 | Water resources for the future : annual review 2003 |
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| 33 | Second annual review of the River Taw catchment management plan |
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| 34 | Second annual review of the River Torridge catchment management plan |
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| 35 | Second annual review of the Taw / Torridge Estuary catchment management plan |
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| 36 | State of the environment report for London 2001 |
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| 37 | Second annual review of the Lower Bristol Avon catchment management plan |
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| 38 | Second annual review of the Upper Bristol Avon catchment management plan |
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| 39 | State of the environment report for Thames Region : first update 2001 |
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| 40 | State of the environment report 2001 : West Midlands Region |
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| 41 | Review of water company plans to safeguard summer water supplies : Environment Agency report to the Secretary of State for the Environment. Fourth report |
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| 42 | Water pollution incidents in England and Wales 1994 : report of the National Rivers Authority |
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| 43 | Pesticides 1998 : a summary of monitoring of the aquatic environment in England and Wales |
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| 44 | The National Centre for Environmental Data and Surveillance : annual report April 1998 - April 1999 |
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| 45 | Proceedings of the conference National Minewaters 20th -21st April 1998 Tapton Hall Sheffield University |
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| 46 | Bathing water quality in England and Wales in 1995 : report of the National Rivers Authority |
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| 47 | National marine baseline survey 1995 : littoral cell 11 : Great Orme to the Solway Firth |
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| 48 | Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority |
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| 49 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
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| 50 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
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