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751Low-cost modifications of the Crump weir to improve fish passage
752Policy and practice for the protection of groundwater - Thames region appendix
753Policy and practice for the protection of floodplains
754'Sea Vigil' water quality monitoring : the Wash 1992-1993
755Second annual review of the Seaton, Looe and Fowey catchment management plan
756The Yarrow catchment : recommendations for statutory water quality objectives
757Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere
758The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T)
759Guidance on the use of Bioassays in Ecological Risk Assessment
760The National Rivers Authority employee attitude survey : summary
761The Use of a Hydroacoustic Counter for Assessing Salmon Stocks
762Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A)
763Pesticides in the aquatic environment 1997 : executive summary
764Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment
765Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A)
766The Louth coastal catchment management plan : final report
767Fine sediment deposition in the River Keer : geomorphological assessment
768Snapshots of the environment : a new environmental approach
769Draft protocol for the derivation of Toxicity Based Consents
770The Loddon catchment, Thames : recommendations for statutory water quality objectives
771Assessment of the Impact of Nutrient Removal on Eutrophic Rivers
772Second Coniston OS map related to the Seismic Survey 1983
773Note 2 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
774Note 1 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
775Coniston OS map related to the Seismic Survey 1983