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6261967 - Quakers arriving on the shore of L.George.
627First annual review of the Taw/Torridge estuary catchment management plan (1996)
628Suffolk estuarine strategies : Blyth estuary strategy : introduction to the strategy
629Method for the assessment of river water quality using benthic macroinvertebrates
630The evaluation of a Philips ammonium ion selective electrode (220/14/T)
631The greening of Grasmere: its plankton periodicity in 1988
632A strategic review of the petroleum refinery Industry Sector
633Guidelines for river corridor surveys in the NRA : February 1992. draft 3
634Second annual review of the Sid/Otter catchment management plan 1999
635Contribution of small streams to potential fish production in the Conwy catchment
636The ecology and management of riverine trees : interim report
637Low-cost modifications of the Crump weir to improve fish passage
638Policy and practice for the protection of groundwater - Thames region appendix
639Policy and practice for the protection of floodplains
640'Sea Vigil' water quality monitoring : the Wash 1992-1993
641Second annual review of the Seaton, Looe and Fowey catchment management plan
642The Yarrow catchment : recommendations for statutory water quality objectives
643Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere
644The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T)
645Guidance on the use of Bioassays in Ecological Risk Assessment
646The National Rivers Authority employee attitude survey : summary
647The Use of a Hydroacoustic Counter for Assessing Salmon Stocks
648Pesticides in the aquatic environment 1997 : executive summary
649Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A)
650The Louth coastal catchment management plan : final report