| 51 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
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| 52 | Angle on the Broads : helping you get the most out of fishing on the Broads |
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| 53 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
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| 54 | State of the environment 2005 : the Environment Agency's assessment of the environment in South East England |
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| 55 | Back to life : bringing the environment back to the people of the North West |
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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 2006 : the Environment Agency's assessment of the environment in South East England |
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| 58 | Fish Tanks in the Hatchery |
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| 59 | The Ferry Boat in 1905 |
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| 60 | Committed to the environment : a report from the committees of the Environment Agency's Southern Region for the year 1999/00 |
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| 61 | Annex to 'achieving the quality' |
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| 62 | Protecting the Kenwith Valley, Bideford |
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| 63 | The water bill : trickle irrigation |
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| 64 | Guardian of the water environment |
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| 65 | Algae demonstrations in the lab |
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| 66 | Paleolimnological Approaches to the WFD |
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| 67 | Uses of the water environment |
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| 68 | The Agency's conservation duties (SD2) |
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| 69 | Water in the Thetford area
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| 70 | The Development of LandSim 2.5 |
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| 71 | Viruses in the aquatic environment |
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| 72 | Meanders in the Amazon River |
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| 73 | Air quality and the environment |
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| 74 | The registration of waste carriers |
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| 75 | The oceanography of Falmouth harbour |
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