51 | The Waterways Bird Survey |
52 | Fishing in the South |
53 | The Evaluation of FDMM |
54 | Enhancing the River Otter |
55 | The Colne Barrier 1999 |
56 | The Ouse washes (folder) |
57 | Sussex by the sea |
58 | Wetlands in the Midlands |
59 | The Severn Bore 1996 |
60 | Bacteriological survey : The Wash |
61 | The management of the water resources of the Lark groundwater unit |
62 | Review of the findings of the prescribed flow at the Wallers Haven |
63 | The management of the water resources of the Little Ouse groundwater unit |
64 | An aerial photograph of The Ferry House prior to the construction of The Pearsall Building |
65 | The effects of flow reduction in the River Dee on the aquatic environment |
66 | The influx of black magnetic spherules to the lakes of the English Lake District |
67 | The drought of 1995 : a report to the Secretary of State for the Environment |
68 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
69 | Angle on the Broads : helping you get the most out of fishing on the Broads |
70 | The quality of the Humber Estuary 1980-1990 : report of the National Rivers Authority |
71 | Domesday to the dawn of the new millennium : 900 years of the Don Fishery |
72 | The importance of sediment release of phosphorus in the restoration of the Norfolk Broads |
73 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
74 | State of the environment 2005 : the Environment Agency's assessment of the environment in South East England |
75 | State of the environment 2003 : the Environment Agency's assessment of the environment in South East England |