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76Proposals for statutory water quality objectives : report of the National Rivers Authority
77Water resources development strategy : the Resplan Model. Supplementary report no. 7
78Report on monitoring of environmental quality in the Severn Estuary
79The NRA in business : annual review and summary accounts 1993-94
80River quality in England and Wales : a report of the 1990 survey
81Water quality 2000 : a strategy for the water quality function
82Improving the environment in Midlands region : Midlands local contribution 2006/11
83Policy and practice for the protection of groundwater : draft for consultation
84Charging for discharges scheme : guidance to the agricultural industry
85Landfill and the water environment : NRA position statement
86Acidification of freshwaters: the threat and its mitigation
87Snapshots of the environment : integrated river basin management
88Sustainable urban drainage : an introduction : protecting the quality of our environment
89Policy and practice for the protection of groundwater
90Note 2 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
91Stream survey and assessment in the Ashford and Folkestone areas
92River Axe Fish Study - Evaluation of Fish Movements in the Estuary
93The greening of Grasmere: its plankton periodicity in 1988
94Factors affecting the recruitment of riverine coarse fish: phase 3
95The National Centre for Environmental Data and Surveillance : business plan 1999/2000
96Note 3 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
97Note 1 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983
98Roger Sweeting providing a commentary on The Tern
99Water resources for the future : annual review 2003
100Method for assessing the heritage value of net fisheries