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376The effects of fishing at low water levels
3771967 - George and Gideon cutting mbati for the bedroom block.
3781967 - Quakers arriving on the shore of L.George.
379First annual review of the Taw/Torridge estuary catchment management plan (1996)
380Suffolk estuarine strategies : Blyth estuary strategy : introduction to the strategy
381Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide
382The evaluation of a Philips ammonium ion selective electrode (220/14/T)
383A strategic review of the petroleum refinery Industry Sector
384Guidelines for river corridor surveys in the NRA : February 1992. draft 3
385Contribution of small streams to potential fish production in the Conwy catchment
386NRA strategy for reducing the concentration of pesticides in controlled waters
387The ecology and management of riverine trees : interim report
388Low-cost modifications of the Crump weir to improve fish passage
389Policy and practice for the protection of floodplains
390Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere
391The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T)
392Guidance on the use of Bioassays in Ecological Risk Assessment
393The National Rivers Authority employee attitude survey : summary
394The Use of a Hydroacoustic Counter for Assessing Salmon Stocks
395Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A)
396Pesticides in the aquatic environment 1997 : executive summary
397Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A)
398Draft protocol for the derivation of Toxicity Based Consents
399Assessment of the Impact of Nutrient Removal on Eutrophic Rivers
400Second Coniston OS map related to the Seismic Survey 1983