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3351National Rivers Authority corporate plan, 1990/91
3352Bewdley flood defences : the invisible defences
3353Herbarium Image: Chara vulgaris
3354Bristol Avon : first annual review. September 2001
3355St Agnes qualitative dye surveys 1995 data report : tidal water quality
3356Suffolk estuarine strategies : Blyth estuary strategy : introduction to the strategy
3357The management of the water resources of the Lark groundwater unit
3358Method for the assessment of river water quality using benthic macroinvertebrates
3359Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide
3360Development of a GIS Based Inventory of Standing Waters for England, Wales and Scotland, Together with a Risk Based Prioritisation Protocol - Phase 2
3361Nature's way : a guide to surface water best management practices, the effective and economic answer to non-point source pollution
3362Sustaining our resources : update 1997
3363The National Groundwater and Contaminated Land Centre (NGWCLC)
3364Infiltration drainage - legal aspects
3365Rhithrogena haarupi
3366Potamophylax latipennis case,
3367River Piddle Spring 2008
3368Report on the control of discharges of titanium dioxide waste to the Humber Estuary : main report
3369The story of a river : Ripples 1
3370Compliance with regulations concerning public procurement
3371The Development of a Methodology to Assess Population Doses from Multiple Sources and Exposure Pathways of Radioactivity
3372National Rivers Authority river quality survey GQA assessment 1993 Nothumbria and Yorkshire Region. Part 1 Reach classification : Freshwater rivers and canals
3373River catchments and county boundaries in England and Wales
3374NRA 1995/96 annual conservation, access and recreation report [regional reports]
3375Herbarium Image: Carex flacca