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376Rising groundwater levels in the chalk - basal sands aquifer of the central london basins
377Ponds in Partnership Phase 1 Final Report: Establishing the Framework for the National Pond Monitoring Network
378Investigation of the Relationship between the LIFE Index and RIVPACS: Putting LIFE into RIVPACS
379Water resources for the future : a summary of the strategy for Thames Region
380Water resources for the future : a summary of the strategy for Thames Region Summary
381Conservation and recreation: the Wye challenge: volume 1: report of the River Wye project
382Running with the tide : reconciling development pressures with flood risk and the environment
383Water for the future in Kent : NRA response to the issues and options report
384Review of flood defence practices on the Somerset Levels and Moors : the appendices
385Review of flood defence practices on the Somerset Levels and Moors : the report
386Investigation of the water quality in the Buckland stream up and downstream of East/West Buckland
387The Effect of Atrazine Exposure on the Timing of Salmon (Salmo salar L.) Smolt Emigration
388Planning for the rising tides : the Humber estuary shoreline management plan. Summary of proposals
389Further surveys to elucidate the distribution of the fine-lined pea mussel Pisidium tenuilineatum Stelfox, 1918
390The physical character of rivers and streams in the UK and Isle of Man
391Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme
392Environmental monitoring of the Fal Estuary to support the Fal Swan study : final draft report
393The impact of land use on salmonids (Report 30) : a study of the River Torridge catchment
394The behaviour of atrazine and simazine within the chalk aquifer : experimental results and interpretation
395A unified information system to satisfy the NRA's requirement for ecotoxicology information: the specification study
396A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989
397An investigation into the effects of Alton sewage works on the River Wey North
398A brief history of the River Stour navigation : 1705 to the present day
399The Investigation and Specification of Flow Measurement Structure Design Features that Aid the Migration of Fish
400Protecting your future : tackling flooding in the Thames Estuary through the 21st century