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701NRA strategy for reducing the concentration of pesticides in controlled waters
702The ecology and management of riverine trees : interim report
703Low-cost modifications of the Crump weir to improve fish passage
704Policy and practice for the protection of groundwater - Thames region appendix
705Policy and practice for the protection of floodplains
706'Sea Vigil' water quality monitoring : the Wash 1992-1993
707The Yarrow catchment : recommendations for statutory water quality objectives
708Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere
709The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T)
710Guidance on the use of Bioassays in Ecological Risk Assessment
711The National Rivers Authority employee attitude survey : summary
712The Use of a Hydroacoustic Counter for Assessing Salmon Stocks
713Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A)
714Pesticides in the aquatic environment 1997 : executive summary
715Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A)
716The Louth coastal catchment management plan : final report
717Fine sediment deposition in the River Keer : geomorphological assessment
718Snapshots of the environment : a new environmental approach
719Draft protocol for the derivation of Toxicity Based Consents
720The Loddon catchment, Thames : recommendations for statutory water quality objectives
721Assessment of the Impact of Nutrient Removal on Eutrophic Rivers
722Second Coniston OS map related to the Seismic Survey 1983
723Note 2 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
724Note 1 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
725Coniston OS map related to the Seismic Survey 1983