| 126 | Water Quality and Freshwater Flow in the Thames Tideway in Relation to Salmon Migration, with particular reference to the effects of low flow in 1990 |
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| 127 | Datchet, Wraysbury, Staines and Chertsey flood study : aquatic biology. Part 2 : a survey of the wetland vegetation and aquatric macroinvertebrates of the Abbey River and Chertsey Bourne |
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| 128 | The quality of rivers and canals in England and Wales (1990 to 1992) : as assessed by a new general quality assessment scheme : report of the National Rivers Authority |
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| 129 | National marine baseline survey 1995 : littoral cell 2 : Flamborough Head to the Wash |
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| 130 | Thames Environment 21. The Environment Agency strategy for land-use planning in Thames Region |
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| 131 | Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority |
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| 132 | Partnership in environment protection : taking steps towards a better environment in the midlands |
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| 133 | The government's policy for a public regulatory body in a privatised water industry |
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| 134 | Digital groundwater vulnerability maps : 1 : 100,000 series. Policy and practice for the protection of groundwater |
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| 135 | Water pollution incidents in England and Wales 1994 : report of the National Rivers Authority |
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| 136 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
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| 137 | Saving water : the NRA's approach to water conservation and demand management : a consultation report |
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| 138 | An evaluation of discharge and consent compliance policy : a blueprint for the future : letters from respondents |
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| 139 | Pesticides 1998 : a summary of monitoring of the aquatic environment in England and Wales |
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| 140 | The environmental economy of England's northwest : a driver for economic and social progress : executive summary |
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| 141 | Improved monitoring for surface water quality : the development of a manual of best practice |
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| 142 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
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| 143 | Economic evaluation of inland fisheries: The economic impact of freshwater angling in England and Wales |
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| 144 | Demand for irrigation water (413/1/A) : progress report for the period August 1992 to January 1993 |
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| 145 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
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| 146 | Water pollution incidents in England and Wales 1991 : report of the National Rivers Authority |
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| 147 | Survey of physical characteristics of salmon spawning riffles in the river North Tyne
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| 148 | Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority |
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| 149 | Darwell Transfer Scheme. Final Report Part III. Water quality in the Darwell Reservoir |
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| 150 | Effects of suspended solids on salmon (Salmo salar, L.) in the Parrett stuary, Somerset, Draft |
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