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5261967 - Quakers arriving on the shore of L.George.
527First annual review of the Taw/Torridge estuary catchment management plan (1996)
528Suffolk estuarine strategies : Blyth estuary strategy : introduction to the strategy
529Method for the assessment of river water quality using benthic macroinvertebrates
530Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide
531The National Groundwater and Contaminated Land Centre (NGWCLC)
532The evaluation of a Philips ammonium ion selective electrode (220/14/T)
533The greening of Grasmere: its plankton periodicity in 1988
534A strategic review of the petroleum refinery Industry Sector
535Contribution of small streams to potential fish production in the Conwy catchment
536NRA strategy for reducing the concentration of pesticides in controlled waters
537Low-cost modifications of the Crump weir to improve fish passage
538Policy and practice for the protection of groundwater - Thames region appendix
539Policy and practice for the protection of floodplains
540Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere
541The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T)
542Guidance on the use of Bioassays in Ecological Risk Assessment
543The National Rivers Authority employee attitude survey : summary
544The Use of a Hydroacoustic Counter for Assessing Salmon Stocks
545Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A)
546Pesticides in the aquatic environment 1997 : executive summary
547Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment
548The Louth coastal catchment management plan : final report
549Fine sediment deposition in the River Keer : geomorphological assessment
550Snapshots of the environment : a new environmental approach