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76Stream survey and assessment in the Ashford and Folkestone areas
77Pesticides in the aquatic environment 1997 : executive summary
78Water quality 2000 : a strategy for the water quality function
79The River Cam catchment management plan : annual monitoring report
80The greening of Grasmere: its plankton periodicity in 1988
81Snapshots of the environment : understanding coastal water quality
82Method for assessing the heritage value of net fisheries
83A strategy for the management of salmon in England and Wales
84Statement on public consultation for the Dove CMP : July 1995
85Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report
86Coniston OS map related to the Seismic Survey 1983
87Quality audit of biological samples for the 1990 river quality survey
88Proposals for statutory water quality objectives : report of the National Rivers Authority
89Sustainable urban drainage : an introduction : protecting the quality of our environment
90The Dove catchment management plan : consultation report summary : January 1995
91Biological water quality monitoring in the Midlands region
92The National Groundwater and Contaminated Land Centre (NGWCLC)
93The River Dee catchment management plan : consultation report : June 1994
94A guide to sustainable urban drainage : protecting the quality of our environment
95Fish Guide 1997/98 A Guide to day ticket fisheries in the Midlands
96The 1990 river and estuary classification survey of England and Wales
97Landfill and the water environment : NRA position statement
98Snapshots of the environment : managing our freshwater fisheries
99The NRA in business : annual review and summary accounts 1993-94
100Snapshots of the environment : a new environmental approach