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4301North West Norfolk catchment management plan : summary report : March 1995
4302River Otter : environmental data review. Volume 2 : text : River Otter environmental study 1993/94
4303Environmental impact assessment : River Allen flood alleviation scheme
4304An investigation into ammonia levels in Weston Mill Lake, Devonport
4305Humber estuary catchment management plan : report summary : July 1994
4306River Otter : environmental data review. Volume 4 : appendices : River Otter environmental study 1993/94
4307An investigation into the incidence of spurting from weeping wall slurry stores
43081990 classification of estuary quality
4309Modelling habitat requirements of coarse fish in lowland rivers
4310Prioritising the Issues in Local Environment Agency Plans through Concensus Building with Stakeholder Groups
4311Managing water resources
4312Water resources planning : Nar groundwater unit water resources management plan
4313Water in the Thetford area
4314Anerobic Bioassay Test: Development of an Operational Method for Landfill Co-disposal
4315Review and Investigation of Deep-Seated Fires within Landfill Sites
4316East Looe river : river ecosystem (RE) non-compliance investigation : final draft report
4317Survey group - terrain data supply - maps, plans, surveys and data - August 1993
4318River Stour (2), Sudbury : report of a river corridor survey carried out for the National Rivers Authority, Anglian region
4319Microbiological examination of water contact sports sites in the River Thames catchment 1989
4320River Dart catchment river water quality classification 1990
4321River quality : July 1990 - June 1991
4322Health status of otters in southern and south west England 1996-2003
4323Economic appraisal of low flow alleviation : guidelines on desk top analysis : draft
4324Yare catchment management plan : consultation report summary
4325River Wissey investigations : linking hydrology and ecology : the basis for in-river flow management. Final Draft (OI/526/ )