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4376Effects of Canoeing on Fish Stocks and Angling
4377Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority
4378The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Chalk Of Lincolnshire;
4379A Review of Grayling Ecology, Status and Management Practice Recommendations for Future Managemetn in England and Wales
4380Guidelines on statutory returns : Freshwater Fish Directive
4381Teddington flow survey 1989
4382Assessing the impact of dewatering on water resources
4383The use and design of oil separators in surface water drainage systems
4384The utilisation of stick-pile otter holts in south east Wales
4385Pesticides in the aquatic environment : report of the National Rivers Authority, prepared by the National Centre for Toxic and Persistant Substances (TAPS)
4386Evaluation of FRONTIERS accumulation forecasts in the NRA Thames and North West regions : final report of the Joint Met
4387River Usk barrage position statement, 4th August 1993
4388The River Ash : enhancement project
4389UK Sewage Sludge Survey
4390Substitute Liquid Fuels Used In Cement Kilns - Life Cycle Analysis
4391Cley sea defences
4392Improving the Environment Agency's contribution to wetland bird populations
4393The Waterways Bird Survey
4394Groundwater-surface Water Interactions in the Hyporheic Zone
4395Time of travel on the River Lee under high and medium flow : appendix b : time of travel on the small River Lee
4396The management of the water resources of the Little Ouse groundwater unit
4397Special wastes : a technical guidance note on their definition and classification. Vol 1 : legislation framework and assessment methodology
4398Dee stock assessment programme : annual report 1989 - 1991
4399River Yealm catchment river water quality classification 1991
4400Endocrine disruption horizon scanning: priority and new endocrine disrupting chemicals