3326 | Water Quality and Freshwater Flow in the Thames Tideway in Relation to Salmon Migration, with particular reference to the effects of low flow in 1990 |
3327 | Bristol Avon : first annual review. September 2001 |
3328 | St Agnes qualitative dye surveys 1995 data report : tidal water quality |
3329 | The management of the water resources of the Lark groundwater unit |
3330 | Method for the assessment of river water quality using benthic macroinvertebrates |
3331 | Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide |
3332 | Development of a GIS Based Inventory of Standing Waters for England, Wales and Scotland, Together with a Risk Based Prioritisation Protocol - Phase 2 |
3333 | Development of PRAIRIE(tm) Dispersion Modelling |
3334 | Nature's way : a guide to surface water best management practices, the effective and economic answer to non-point source pollution |
3335 | Sustaining our resources : update 1997 |
3336 | Infiltration drainage - legal aspects |
3337 | Rhithrogena haarupi |
3338 | Potamophylax latipennis case, |
3339 | River Piddle Spring 2008 |
3340 | Report on the control of discharges of titanium dioxide waste to the Humber Estuary : main report |
3341 | The story of a river : Ripples 1 |
3342 | Compliance with regulations concerning public procurement |
3343 | The Development of a Methodology to Assess Population Doses from Multiple Sources and Exposure Pathways of Radioactivity |
3344 | National Rivers Authority river quality survey GQA assessment 1993 Nothumbria and Yorkshire Region. Part 1 Reach classification : Freshwater rivers and canals |
3345 | River catchments and county boundaries in England and Wales |
3346 | NRA 1995/96 annual conservation, access and recreation report [regional reports] |
3347 | Herbarium Image: Carex flacca |
3348 | Recreation strategy for the River Thames |
3349 | East coast floods 1953 : 50th anniversary : Lincolnshire |
3350 | The evaluation of a Philips ammonium ion selective electrode (220/14/T) |