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551An investigation into the sewage system and storm overflow at Beer (1997)
552Flood warning information for the Hertfordshire/Essex border : River Stort catchment
553River Axe Fish Study - Evaluation of Fish Movements in the Estuary
554An environmental snapshot for the Anglian region 2003
555Sustainable urban drainage : an introduction : protecting the quality of our environment
556Identification of water quality problems in the Strat and Neet catchments
557The effects of fishing at low water levels
5581967 - George and Gideon cutting mbati for the bedroom block.
5591967 - Quakers arriving on the shore of L.George.
560First annual review of the Taw/Torridge estuary catchment management plan (1996)
561Method for the assessment of river water quality using benthic macroinvertebrates
562Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide
563The National Groundwater and Contaminated Land Centre (NGWCLC)
564The evaluation of a Philips ammonium ion selective electrode (220/14/T)
565The greening of Grasmere: its plankton periodicity in 1988
566A strategic review of the petroleum refinery Industry Sector
567Guidelines for river corridor surveys in the NRA : February 1992. draft 3
568Contribution of small streams to potential fish production in the Conwy catchment
569NRA strategy for reducing the concentration of pesticides in controlled waters
570Low-cost modifications of the Crump weir to improve fish passage
571Policy and practice for the protection of floodplains
572The Yarrow catchment : recommendations for statutory water quality objectives
573Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere
574The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T)
575Guidance on the use of Bioassays in Ecological Risk Assessment