| 4751 | Water resources for the future : a summary of the strategy for Wales (bilingual) |
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| 4752 | Water resources for the future : a summary of the strategy for North West Region |
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| 4753 | Water resources for the future : a summary of the strategy for South West region |
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| 4754 | Water resources in Anglia : a sustainable strategy for secure water supplies and a better water environment |
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| 4755 | Wise use of resources |
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| 4756 | National Rivers Authority paper specification study : report summay |
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| 4757 | Restored, protected land with healthier soils : a framework for change |
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| 4758 | Bank erosion on navigable waterways Draft R and D Note (336/2/T) |
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| 4759 | Environmental assessment by external developers and organisations (Phase II) (351/7/T) |
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| 4760 | Environmental assessment by external developers and organisations (Phase II) : recommendations (Note 351/8/T) |
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| 4761 | Environmental Impact Of Run-Of-River Hydropower Schemes In Upland Rivers |
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| 4762 | Impact assessment of Helston Sewage Treatment Works on water quality of the River Cober Loe Pool |
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| 4763 | Use of Pesticides at two Watercress Farms in Hampshire : A report into the use of |
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| 4764 | Policy and practice for the protection of groundwater - NRA leaflet |
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| 4765 | Analysis of 1995 Biological Survey Data Phase 2: Post Survey Appraisal: Technical Summary |
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| 4766 | Analysis of 1995 Survey Data: Phase 2. Post-survey Appraisal. Unit I: Taxon Distribution Studies |
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| 4767 | Assessment of Sampling Methods for Macroinvertebrates (RIVPACS) in Deep Watercourses |
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| 4768 | Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change |
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| 4769 | Lake Benthic Macroinvertebrates 2: Quantifying Uncertainty in Sampling Methodology |
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| 4770 | A study of benthic macroinvertebrate communities of fifteen Norfolk Broads during summer 1990 |
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| 4771 | An assessment of the impact of Berkhamsted and Maple Lodge STWs on the Grand Union canal based on macroinvertebrate surveys |
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| 4772 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : AQC audit |
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| 4773 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : primary audit |
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| 4774 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : AQC audit |
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| 4775 | Preliminary assessment of the ability of Restormel fish counter to enumerate the passage of migratory salmonids on the River Fowey : Cornwall Area Fisheries Science Team |
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