| 51 | The Ouse washes (folder) |
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| 52 | Wetlands in the Midlands |
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| 53 | The Waterways Bird Survey |
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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 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
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| 56 | The influx of black magnetic spherules to the lakes of the English Lake District |
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| 57 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
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| 58 | State of the Environment 2006 : the Environment Agency's assessment of the environment in South East England |
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| 59 | State of the environment 2003 : the Environment Agency's assessment of the environment in South East England |
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| 60 | Back to life : bringing the environment back to the people of the North West |
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| 61 | State of the environment 2005 : the Environment Agency's assessment of the environment in South East England |
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| 62 | Angle on the Broads : helping you get the most out of fishing on the Broads |
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| 63 | River in the Dourdogne region |
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| 64 | Annex to 'achieving the quality' |
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| 65 | Road transport and the environment |
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| 66 | Fish Tanks in the Hatchery |
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| 67 | The Calder catchment (river factfiles) |
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| 68 | Rivers of the New Forest |
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| 69 | The River Arun : fact file |
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| 70 | Water in the Thetford area
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| 71 | The Northumberland catchment (river factfiles) |
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| 72 | Algae demonstrations in the lab |
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| 73 | The Ferry Boat in 1905 |
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| 74 | The Tees catchment (river factfiles) |
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| 75 | The tidal Thames : fact file |
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