| 76 | Snapshots of the environment : integrated river basin management |
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| 77 | Snapshots of the environment : managing our freshwater fisheries |
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| 78 | Algal blooms in the Lower Tees- Perspectives and prospects
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| 79 | Snapshots of the environment : a new environmental approach |
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| 80 | The greening of Grasmere: its plankton periodicity in 1988 |
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| 81 | Policy and practice for the protection of groundwater : draft for consultation |
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| 82 | The River Cam catchment management plan : annual monitoring report |
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| 83 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
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| 84 | Our Midlands environment : the Environment Agency in action |
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| 85 | The Occurrence of Sheep Dip Pesticides in Environmental Waters June 1997 |
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| 86 | Improving the environment in Midlands region : Midlands local contribution 2006/11 |
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| 87 | Policy and practice for the protection of groundwater |
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| 88 | Quality audit of biological samples for the 1990 river quality survey |
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| 89 | Method for assessing the heritage value of net fisheries |
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| 90 | Report on monitoring of environmental quality in the Severn Estuary |
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| 91 | The Wandle, Beverley Brook, Hogsmill catchment management plan : action plan : July 1995 |
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| 92 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
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| 93 | Policy and practice for the protection of groundwater - NRA leaflet |
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| 94 | Fish Guide 1997/98 A Guide to day ticket fisheries in the Midlands |
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| 95 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
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| 96 | The quality of rivers in England and Wales (1990 to 1995) |
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| 97 | The River Thame : catchment review : first draft - 16th Februrary 1996 |
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| 98 | Proposals for statutory water quality objectives : report of the National Rivers Authority |
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| 99 | Pesticides in the aquatic environment 1997 : executive summary |
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| 100 | Acidification of freshwaters: the threat and its mitigation |
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