| 51 | Wetlands in the Midlands |
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| 52 | The Severn Bore 1996 |
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| 53 | Review of the findings of the prescribed flow at the Wallers Haven |
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| 54 | An aerial photograph of The Ferry House prior to the construction of The Pearsall Building |
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| 55 | State of the Environment 2006 : the Environment Agency's assessment of the environment in South East England |
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| 56 | State of the environment 2003 : the Environment Agency's assessment of the environment in South East England |
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| 57 | State of the environment 2005 : the Environment Agency's assessment of the environment in South East England |
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| 58 | The quality of the Humber Estuary 1980-1990 : report of the National Rivers Authority |
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| 59 | The importance of sediment release of phosphorus in the restoration of the Norfolk Broads |
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| 60 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
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| 61 | The water quality of the Humber Estuary 1992 : a report from The Humber Estuary Committee |
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| 62 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
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| 63 | The influx of black magnetic spherules to the lakes of the English Lake District |
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| 64 | Study into the effect of Chertsey STW on the North Arm of the River Bourne |
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| 65 | Annex to 'achieving the quality' |
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| 66 | Paleolimnological Approaches to the WFD |
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| 67 | Fish Tanks in the Hatchery |
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| 68 | The Calder catchment (river factfiles) |
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| 69 | The River Arun : fact file |
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| 70 | Algae demonstrations in the lab |
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| 71 | The Ferry Boat in 1905 |
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| 72 | The Aire catchment (river factfiles) |
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| 73 | Phosphorus in the Thames catchment |
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| 74 | The Hull catchment (river factfiles) |
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| 75 | The Esk catchment (river factfiles) |
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