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#Title
626Sustainable urban drainage : an introduction : protecting the quality of our environment
627Snapshots of the environment : managing our freshwater fisheries
628The effects of fishing at low water levels
6291967 - George and Gideon cutting mbati for the bedroom block.
6301967 - Quakers arriving on the shore of L.George.
631First annual review of the Taw/Torridge estuary catchment management plan (1996)
632Suffolk estuarine strategies : Blyth estuary strategy : introduction to the strategy
633Method for the assessment of river water quality using benthic macroinvertebrates
634Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide
635The National Groundwater and Contaminated Land Centre (NGWCLC)
636The evaluation of a Philips ammonium ion selective electrode (220/14/T)
637The greening of Grasmere: its plankton periodicity in 1988
638A strategic review of the petroleum refinery Industry Sector
639Guidelines for river corridor surveys in the NRA : February 1992. draft 3
640Second annual review of the Sid/Otter catchment management plan 1999
641NRA strategy for reducing the concentration of pesticides in controlled waters
642Low-cost modifications of the Crump weir to improve fish passage
643Policy and practice for the protection of groundwater - Thames region appendix
644Policy and practice for the protection of floodplains
645'Sea Vigil' water quality monitoring : the Wash 1992-1993
646The Yarrow catchment : recommendations for statutory water quality objectives
647Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere
648The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T)
649Guidance on the use of Bioassays in Ecological Risk Assessment
650The National Rivers Authority employee attitude survey : summary