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526National guidelines for the production of NRA regions 1990/91 regional plans
527Operational mechanisms for the protection and enhancement of headwaters
528Policy and practice for the protection of groundwater : regional appendix Welsh region
529Procurement legislation and the NRA : a brief guide
530Survey of copper speciation in the Great Ouse estuary
531Sustainable development indicators : monitoring change in the East Midlands
532Technical Support Materials for the Regulation of Radioactively Contaminated Land
533The impact of climate change on severe droughts: Implications for decision making
534The Impact of Grazing and Upland Management on Erosion and Runoff
535The Potential For Generating Hydro-Electricity From Weirs
536The Potential For Aquifer Storage And Recovery In England And Wales
537Water resources for the future : a strategy for Midlands Region
538Water resources for the future : a strategy for Southern region
539The feasibility of biomanipulation in reservoirs and deeper lakes : draft final report
540The development and verification of methodologies for defining groundwater nitrate vulnerable zones
541River Great Ouse navigation : the Great Ouse your river for life
542The Feasibility of Charging for Planning Application Consultations - Final Report
543The use of herbicides in or near water
544Status of rare fish : literature review of Freshwater Fish in the UK
545Distribution of Azolla in the Great Ouse catchment
546Investigation into the cause of high phenols in Budleigh Brook (1998)
547Leachate Monitoring For The Brogborough Test Cell Project
548Time of travel on the [River] Chertsey Bourne under low flow conditions
549Regional fishing guide : a guide to day ticket waters in the Midlands
550Non-compliance of the Bidwell Brook with river quality objectives