| 5526 | Water resources for the future : a summary of the strategy for Wales (bilingual) |
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| 5527 | Water resources for the future : a summary of the strategy for North West Region |
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| 5528 | Water resources for the future : a summary of the strategy for South West region |
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| 5529 | Water resources in Anglia : a sustainable strategy for secure water supplies and a better water environment |
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| 5530 | What Matters And Why: Environmental Capital: A New Approach |
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| 5531 | Wise use of resources |
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| 5532 | Wiser, sustainable use of natural resources : a framework for change : July 2001 |
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| 5533 | National Rivers Authority paper specification study : report summay |
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| 5534 | Restored, protected land with healthier soils : a framework for change |
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| 5535 | Bank erosion on navigable waterways Draft R and D Note (336/2/T) |
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| 5536 | Data Transmission Requirements For Self Monitoring |
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| 5537 | Environmental assessment by external developers and organisations (Phase II) (351/7/T) |
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| 5538 | Environmental assessment by external developers and organisations (Phase II) : recommendations (Note 351/8/T) |
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| 5539 | Environmental Impact Of Run-Of-River Hydropower Schemes In Upland Rivers |
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| 5540 | Impact assessment of Helston Sewage Treatment Works on water quality of the River Cober Loe Pool |
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| 5541 | Use of Pesticides at two Watercress Farms in Hampshire : A report into the use of |
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| 5542 | Policy and practice for the protection of groundwater - NRA leaflet |
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| 5543 | Analysis of 1995 Biological Survey Data Phase 2: Post Survey Appraisal: Technical Summary |
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| 5544 | Analysis of 1995 Survey Data: Phase 2. Post-survey Appraisal. Unit I: Taxon Distribution Studies |
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| 5545 | Assessment of Sampling Methods for Macroinvertebrates (RIVPACS) in Deep Watercourses |
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| 5546 | Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change |
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| 5547 | Lake Benthic Macroinvertebrates 2: Quantifying Uncertainty in Sampling Methodology |
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| 5548 | A study of benthic macroinvertebrate communities of fifteen Norfolk Broads during summer 1990 |
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| 5549 | An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys |
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| 5550 | Water resources development strategy : hydrological modelling. Supplementary report no. 5 |
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