51 | The Waterways Bird Survey |
52 | The Colne Barrier 1999 |
53 | Enhancing the River Otter |
54 | The Ouse Washes Folder |
55 | An aerial photograph of The Ferry House prior to the construction of The Pearsall Building |
56 | The influx of black magnetic spherules to the lakes of the English Lake District |
57 | The effects of flow reduction in the River Dee on the aquatic environment |
58 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
59 | The drought of 1995 : a report to the Secretary of State for the Environment |
60 | Back to life : bringing the environment back to the people of the North West |
61 | Angle on the Broads : helping you get the most out of fishing on the Broads |
62 | The Natural (Baseline) Quality Of Groundwaters In England And Wales. The Chalk Of The South Downs |
63 | The importance of sediment release of phosphorus in the restoration of the Norfolk Broads |
64 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
65 | River in the Dourdogne region |
66 | Annex to 'achieving the quality' |
67 | Paleolimnological Approaches to the WFD |
68 | Road transport and the environment |
69 | Fish Tanks in the Hatchery |
70 | Colliery closures in the Midlands : a review of the potential impact of colliery closures on the water environment in the Midlands |
71 | Rivers of the New Forest |
72 | The Severn Bore in 1995 |
73 | Water in the Thetford area
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74 | Algae demonstrations in the lab |
75 | The Ferry Boat in 1905 |