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#Title
651Sustainable urban drainage : an introduction : protecting the quality of our environment
652Identification of water quality problems in the Strat and Neet catchments
653Snapshots of the environment : managing our freshwater fisheries
654The effects of fishing at low water levels
6551967 - George and Gideon cutting mbati for the bedroom block.
6561967 - Quakers arriving on the shore of L.George.
657First annual review of the Taw/Torridge estuary catchment management plan (1996)
658Suffolk estuarine strategies : Blyth estuary strategy : introduction to the strategy
659Method for the assessment of river water quality using benthic macroinvertebrates
660Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide
661The National Groundwater and Contaminated Land Centre (NGWCLC)
662The evaluation of a Philips ammonium ion selective electrode (220/14/T)
663The greening of Grasmere: its plankton periodicity in 1988
664A strategic review of the petroleum refinery Industry Sector
665Guidelines for river corridor surveys in the NRA : February 1992. draft 3
666Contribution of small streams to potential fish production in the Conwy catchment
667NRA strategy for reducing the concentration of pesticides in controlled waters
668Low-cost modifications of the Crump weir to improve fish passage
669Policy and practice for the protection of floodplains
670'Sea Vigil' water quality monitoring : the Wash 1992-1993
671The Yarrow catchment : recommendations for statutory water quality objectives
672Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere
673The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T)
674Guidance on the use of Bioassays in Ecological Risk Assessment
675The National Rivers Authority employee attitude survey : summary