| 51 | The tidal Thames : fact file |
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| 52 | Protecting the Lincolnshire Wash coast |
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| 53 | River in the Dourdogne region |
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| 54 | Road transport and the environment |
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| 55 | The anti-poaching measures contained in the Salmon Act 1986 |
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| 56 | Historic overview of the sea trout collapse in the West of Ireland |
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| 57 | Advertisement for the Letting of The Ferry Inn |
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| 58 | The measurement and evaluation of the exploitation of Atlantic salmon |
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| 59 | Managing the Humber Estuary : the Environment Agency's approach |
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| 60 | The implications of climate change for the National Rivers Authority (Report 12) |
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| 61 | The development of the Gammarus pulex feeding rate Bioassay |
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| 62 | Technical Summary - Alternative Approaches to Assessing the Aesthetic Quality of the Environment |
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| 63 | Data on the effects of Parathion in the freshwater environment |
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| 64 | The state of the water environment : six year trends report |
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| 65 | 1967 - Building the bedroom block in the IBP compound at L. George |
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| 66 | 1967 - Singh's men building the extension block in the IBP compound. |
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| 67 | Preventing the spread of crayfish plague in the South West |
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| 68 | The investigation of the Taff litter problem : report no. PL/EAE/89/2 |
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| 69 | Summary guidance on the application of the financial memorandum/scheme of delegation |
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| 70 | Pollution prevention in the '90's : the positive approach |
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| 71 | The Effectiveness of Liners in Inhibiting the Migration of Landfill Gas |
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| 72 | Assessing the Impact of Agricultural Pesticides in the Aquatic Environment: Phase II |
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| 73 | Genetics and the management of the Atlantic salmon |
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| 74 | Battling the tide : flood defences in the Anglian region |
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| 75 | River pack : information sheets about the NRA and the water environment |
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