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4226Humber estuary catchment management plan : report summary : July 1994
4227River Otter : environmental data review. Volume 4 : appendices : River Otter environmental study 1993/94
4228An investigation into the incidence of spurting from weeping wall slurry stores
42291990 classification of estuary quality
4230Modelling habitat requirements of coarse fish in lowland rivers
4231Prioritising the Issues in Local Environment Agency Plans through Concensus Building with Stakeholder Groups
4232Managing water resources
4233Water resources planning : Nar groundwater unit water resources management plan
4234Water in the Thetford area
4235Anerobic Bioassay Test: Development of an Operational Method for Landfill Co-disposal
4236Review and Investigation of Deep-Seated Fires within Landfill Sites
4237East Looe river : river ecosystem (RE) non-compliance investigation : final draft report
4238Survey group - terrain data supply - maps, plans, surveys and data - August 1993
4239River Stour (2), Sudbury : report of a river corridor survey carried out for the National Rivers Authority, Anglian region
4240Microbiological examination of water contact sports sites in the River Thames catchment 1989
4241River Dart catchment river water quality classification 1990
4242River quality : July 1990 - June 1991
4243Health status of otters in southern and south west England 1996-2003
4244Economic appraisal of low flow alleviation : guidelines on desk top analysis : draft
4245River Wissey investigations : linking hydrology and ecology : the basis for in-river flow management. Final Draft (OI/526/ )
4246NRA superannuation report and accounts for the period ended 31 March 1991
4247Sewage treatment works remedial strategy : internal report
4248Water resources development strategy : strategy overview. Supplementary report no. 9
4249River Gannel catchment river water quality classification 1991
4250Further guidance on the environmental assessment of projects