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