| 176 | Hydrometry : the science of measuring the water cycle |
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| 177 | The results of fish telemetry trails in the river Tawe estuary, 1991 |
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| 178 | State of the environment in the South West 2005 |
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| 179 | Assessing the Impact of Agricultural Pesticides in the Aquatic Environment: Phase II |
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| 180 | Improving the environment in the West Midlands region : Midlands local contribution 2006/11 |
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| 181 | Engineering the environment : profile of the Anglian Engineering Department |
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| 182 | An investigation into the effects of Woking STW on the River Wey |
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| 183 | The regulation of fish farming by the National Rivers Authority |
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| 184 | Summary guidance on the application of the financial memorandum/scheme of delegation |
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| 185 | The development of new techniques for the monitoring of ammonia in water |
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| 186 | The role of the National Rivers Authority in droughts |
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| 187 | The disinfection of the Manchester Square Outfall, Blackpool, 1993 |
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| 188 | Pollution prevention in the '90's : the positive approach |
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| 189 | The effect of the voluntary initiative on water quality |
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| 190 | A report on the investigation of the Taff litter problem |
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| 191 | Investigation into the cause of high pH in the Budleigh Brook |
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| 192 | Abandoned mines and the water environment : report of the National Rivers Authority |
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| 193 | A good deal for water : the view of the Environment Agency, the Countryside Council for Wales and English Nature on the priorities for the environment that require action by water companies |
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| 194 | The restoration of the River Ver : the success story of a collaborative project between the National Rivers Authority, Three Valleys Water and the Ver Valley Society |
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| 195 | The release of ammonium and phosphorus from the sediments of the River Ant and Barton Broad : interim report |
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| 196 | The control of phosphorus in the catchment of the rivers Ant and Bure : interim report for period January - December 1992 |
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| 197 | The Environment Agency's response to the House of Commons Environment Committee report on the environmental impact of cement manufacture |
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| 198 | A desk study to assess the compliance of the River Fowey with the EC Surface Water Abstraction Directive : June 1997 COR/97/024 |
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| 199 | Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River |
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| 200 | A litter assessment of two major tributaries of the Taff, the Cynon and the Rhondda : surveyed March - April 1990 |
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