| 901 | Valuing the environment (SD14) : report of a seminar held at Church House, Westminster, 7 July 1998 |
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| 902 | Partnership in environment protection : taking steps towards a better environment in the midlands |
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| 903 | Prioritising the Issues in Local Environment Agency Plans through Concensus Building with Stakeholder Groups |
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| 904 | Microbiological examination of water contact sports sites in the River Thames catchment 1989 |
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| 905 | Assessing the impact of sewage effluent disposal on groundwater (phase 2): final report |
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| 906 | Where to fish on the River Wye and its tributaries : a guide to day ticket facilities |
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| 907 | Guardians of the water environment : NRA Welsh Region (bilingual) : Diogelwyr amgyllchedd dwr : rhanbarth Cymru |
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| 908 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
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| 909 | The Implications of Future Shoreline Management on Protected Habitats in England and Wales |
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| 910 | Discharge monitoring in the Kennet catchment. Part 1 : ecological effects of sewage and trade effluents |
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| 911 | Biological characteristics and exploitation of sea trout in the River Tywi during 1989 |
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| 912 | River Glen : river channel assessment : annex E : instream habitat assessment of the River Glen, Lincolnshire |
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| 913 | The distribution of PCDDS and PCDFS in surface freshwater systems 2nd Interim Progress Report - February 1993 |
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| 914 | East Devon public water supply strategy : preliminary assessment of the yield of Clatworthy reservoir |
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| 915 | River corridor strategic overview feasibility study : a report to the National Rivers Authority |
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| 916 | Impact assessment of Meldon quarry on water quality in the West Okement river |
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| 917 | R and D Strategy to Support Implementation of the Water Framework Directive - Preliminary Scoping Report |
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| 918 | Biological report of the 1991 coastal and estuarine survey from Crosby to Glasson |
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| 919 | Land drainage consent report : investigation of the conservation input into land drainage consents |
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| 920 | Electron Microscope Image: Filament of Oscillatoria being ingested by the ciliate Nassula tumida |
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| 921 | The government's policy for a public regulatory body in a privatised water industry |
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| 922 | The evaluation of a LTH BOM 1 hand-held dissolved oxygen meter (220/25/T) |
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| 923 | Less sensitive areas and candidate high natural dispersion areas in the North West region |
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| 924 | Interpretation Of Optimisation In The Context Of A Disposal Facility For Long-Lived Radioactive Waste |
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| 925 | The Impact of Pesticides on River Ecology: Phase 2: A study of headwater streams |
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