| 6151 | Help safeguard the Torridge (leaflet) |
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| 6152 | Welland and Nene Area Environment Group second annual report April 98 - March 99 |
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| 6153 | West Cornwall : first annual review : June 1999 |
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| 6154 | Witham draft LEAP September 1999 |
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| 6155 | Witham LEAP : July 2000 |
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| 6156 | Wyre Estuary : summary of sampling locations and requirements |
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| 6157 | Further surveys to elucidate the distribution of the fine-lined pea mussel Pisidium tenuilineatum Stelfox, 1918 |
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| 6158 | Contaminated land and the water environment : report of the National Rivers Authority |
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| 6159 | An investigation to determine the water quality of Churchstanton Stream |
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| 6160 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
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| 6161 | Diversion and entrapment of fish at water intakes and outfalls (Report 1) |
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| 6162 | Duties and powers of the Environment Agency |
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| 6163 | Environment Agency North West region regional drought plan |
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| 6164 | Land drainage and sea defence byelaws in Southern Region |
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| 6165 | NRA corporate plan 1995/96 : looking ahead to a better environment |
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| 6166 | Hydropower developments and the National Rivers Authority |
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| 6167 | NRA policy implementation guidance notes (PIGN) |
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| 6168 | Proposals for statutory water quality objectives : report of the National Rivers Authority |
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| 6169 | Quality of Bathing Waters in Hampshire, Sussex, Kent and the Isle of Wight : 1993 Bathing Season : NRA Report DL/bw4/94 |
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| 6170 | Regional water quality monitoring and surveillance programme for 1993 : tidal waters monitoring and surveillance : final draft report |
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| 6171 | Summary report on environmental developments : volume 2 : legislation and European practice : November 1998 - May 1989 |
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| 6172 | Summary report on environmental developments : volume 3 : legislation and European practice : June 1989 to March 1990 |
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| 6173 | The influence of agriculture on the quality of natural waters in England and Wales |
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| 6174 | National Rivers Authority/Po River Basin Authority collaboration programme : improved monitoring systems for river water quality : secretariat meeting, Parma, 13-15 December 1995 : programme and briefing notes |
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| 6175 | The law of the National Rivers Authority |
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