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276Lakes, Ponds and Reservoirs in the Southern Region (NRA)
277The 1990 river and estuary classification survey of England and Wales
278The evaluation of an orion ammonium ion selective electrode (220/15/T)
279Anthropogenic Impacts on the Hydrology of Rivers and Lochs
280Model For Investigating The Impacts Of Groundwater Abstraction
281Operational mechanisms for the protection and enhancement of headwaters
282The Impact of Grazing and Upland Management on Erosion and Runoff
283Water resources for the future : a strategy for Midlands Region
284Water resources for the future : a strategy for Southern region
285The feasibility of biomanipulation in reservoirs and deeper lakes : draft final report
286Distribution of Azolla in the Great Ouse catchment
287Investigation into the cause of high phenols in Budleigh Brook (1998)
288Non-compliance of the Bidwell Brook with river quality objectives
289An investigation into the sewage system and storm overflow at Beer (1997)
290River Axe Fish Study - Evaluation of Fish Movements in the Estuary
291Sustainable urban drainage : an introduction : protecting the quality of our environment
292Identification of water quality problems in the Strat and Neet catchments
293Method for the assessment of river water quality using benthic macroinvertebrates
294The National Groundwater and Contaminated Land Centre (NGWCLC)
295The greening of Grasmere: its plankton periodicity in 1988
296Policy and practice for the protection of groundwater - Thames region appendix
297'Sea Vigil' water quality monitoring : the Wash 1992-1993
298The Yarrow catchment : recommendations for statutory water quality objectives
299Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment
300The Louth coastal catchment management plan : final report