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5511967 - George and Gideon cutting mbati for the bedroom block.
5521967 - Quakers arriving on the shore of L.George.
553First annual review of the Taw/Torridge estuary catchment management plan (1996)
554Method for the assessment of river water quality using benthic macroinvertebrates
555Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide
556The National Groundwater and Contaminated Land Centre (NGWCLC)
557The evaluation of a Philips ammonium ion selective electrode (220/14/T)
558The greening of Grasmere: its plankton periodicity in 1988
559A strategic review of the petroleum refinery Industry Sector
560Guidelines for river corridor surveys in the NRA : February 1992. draft 3
561Contribution of small streams to potential fish production in the Conwy catchment
562NRA strategy for reducing the concentration of pesticides in controlled waters
563Low-cost modifications of the Crump weir to improve fish passage
564Policy and practice for the protection of groundwater - Thames region appendix
565Policy and practice for the protection of floodplains
566Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere
567The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T)
568Guidance on the use of Bioassays in Ecological Risk Assessment
569The National Rivers Authority employee attitude survey : summary
570The Use of a Hydroacoustic Counter for Assessing Salmon Stocks
571Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A)
572Pesticides in the aquatic environment 1997 : executive summary
573Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment
574The Louth coastal catchment management plan : final report
575Fine sediment deposition in the River Keer : geomorphological assessment