| 4176 | Cley sea defences |
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| 4177 | Environmental pilot audit : National Rivers Authority Anglian region central area : Brampton Huntingdon |
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| 4178 | Improving the Environment Agency's contribution to wetland bird populations |
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| 4179 | Groundwater-surface Water Interactions in the Hyporheic Zone |
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| 4180 | Time of travel on the River Lee under high and medium flow : appendix b : time of travel on the small River Lee |
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| 4181 | The management of the water resources of the Little Ouse groundwater unit |
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| 4182 | Special wastes : a technical guidance note on their definition and classification. Vol 1 : legislation framework and assessment methodology |
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| 4183 | Dee stock assessment programme : annual report 1989 - 1991 |
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| 4184 | River Yealm catchment river water quality classification 1991 |
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| 4185 | Programme Area reviews of research and development : report on a review of R and D in Flood Defence Operational Management (Note 355) |
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| 4186 | River catchment planning guidelines report : February 1990 |
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| 4187 | Development of Environmental Standards (Water Resources) Stage 3: Environmental Standards |
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| 4188 | Development of a Decision Support system for a risk-based approach to catchment, estuary and coastal flood management planning (MDSF2). Part 1: Inception Stage |
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| 4189 | River water quality in the Midlands 1994/95 : water quality summary data |
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| 4190 | The Ecology and Conservation of the Southern Damselfly (Coenagrion mercuriale - Charpentier) in Britain |
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| 4191 | South Lincolnshire limestone aquifer : sealing of wild boreholes : final report |
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| 4192 | Model Procedures for the Management of Land Contamination |
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| 4193 | National Rivers Authority finance manual : financial memorandum; scheme of delegation, guidance on purchasing policy |
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| 4194 | River Glen : river channel assessment : annex B : an analysis of invertebrate records for the River Glen 1976-1991 |
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| 4195 | An investigation into the flow interactions between the Spilsby Sandstone and the overlying aquifers of East Lincolnshire |
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| 4196 | The hydrogeological classification of superficial clay : the hydrogeological characterisation of glacial till and glacio-lacustrine sediments in Shropshire |
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| 4197 | Roadford operational and environmental study : draft final report : Volume 3 : annex D ecology, annex E recreation |
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| 4198 | Remote sensing and baseline monitoring of the coastal waters of England and Wales 1992-1993 : a survey report |
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| 4199 | Applications Of Artificial Intelligence For The Biological Surveillance Of River Quality |
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| 4200 | Erosion of forest roads due to natural and man induced processes : progress report for period October - December 1992 |
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