| 76 | Snapshots of the environment : a new environmental approach |
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| 77 | The 1990 river and estuary classification survey of England and Wales |
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| 78 | River Axe Fish Study - Evaluation of Fish Movements in the Estuary |
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| 79 | The greening of Grasmere: its plankton periodicity in 1988 |
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| 80 | A guide to sustainable urban drainage : protecting the quality of our environment |
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| 81 | Policy and practice for the protection of groundwater : draft for consultation |
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| 82 | The NRA in business : annual review and summary accounts 1993-94 |
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| 83 | Water resources development strategy : the Resplan Model. Supplementary report no. 7 |
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| 84 | The River Cam catchment management plan : annual monitoring report |
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| 85 | Snapshots of the environment : understanding coastal water quality |
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| 86 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
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| 87 | A strategy for the management of salmon in England and Wales |
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| 88 | The Occurrence of Sheep Dip Pesticides in Environmental Waters June 1997 |
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| 89 | Policy and practice for the protection of groundwater |
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| 90 | Partnership in environmental protection : schemes in the Midlands Region 1995 - 1996 |
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| 91 | Quality audit of biological samples for the 1990 river quality survey |
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| 92 | Method for assessing the heritage value of net fisheries |
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| 93 | Report on monitoring of environmental quality in the Severn Estuary |
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| 94 | The River Dee catchment management plan : consultation report : June 1994 |
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| 95 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
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| 96 | Policy and practice for the protection of groundwater - NRA leaflet |
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| 97 | Fish Guide 1997/98 A Guide to day ticket fisheries in the Midlands |
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| 98 | Policy and practice for the protection of groundwater |
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| 99 | The quality of rivers in England and Wales (1990 to 1995) |
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| 100 | Proposals for statutory water quality objectives : report of the National Rivers Authority |
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