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251The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England;
252The River Eden Demonstration Test Catchment (DTC) Data
253Environmental snapshot for the East of England [version 1]
254Disturbing the season's due: plankton periodicity in Grassmere, 1987
255The Impact Of Particulate Outputs Associated With Timber Harvesting
256The evaluation of Grant/YSU 3800 water quality monitor
257Pesticides in the aquatic environment 1997 full report
258The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994
259The precious resource : a brief guide to managing our water resources
260Priority and other specific polluting substances and the Water Framework Directive
261'Sea Vigil' water quality monitoring : the Humber estuary 1994
262Problems with sea trout and salmon in the Western Highlands
263Clear Options towards an operational model for the Lee Valley Reservoirs
264The Cam catchment : recommendations for statutory water quality objectives
265The National Centre for Toxic and Persistent Substances
266Algal blooms in the Lower Tees- Perspectives and prospects
267The Warwickshire Avon catchment management plan : final plan : October 1994
268Water from the River Dee : a working partnership
269Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991
270River quality in England and Wales : a report of the 1990 survey
271Snapshots of the environment : understanding coastal water quality
272The Influence of Variations in Flow on General Quality Assessment of Rivers
273The Mersey estuary : a report on environmental quality
274Catches of migratory fish in the River Don, Aberdeenshire
275Stream survey and assessment in the Ashford and Folkestone areas