51 | Enhancing the River Otter |
52 | Bacteriological survey : The Wash |
53 | Fishing in the South |
54 | Enhancing the River Tamar |
55 | The Ouse Washes Folder |
56 | The Colne Barrier 1999 |
57 | Drought : the dry facts |
58 | The Evaluation of FDMM |
59 | Sussex by the sea |
60 | The Ouse washes (folder) |
61 | The Severn Bore 1996 |
62 | Wetlands in the Midlands |
63 | The Waterways Bird Survey |
64 | Review of the findings of the prescribed flow at the Wallers Haven |
65 | An aerial photograph of The Ferry House prior to the construction of The Pearsall Building |
66 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
67 | The importance of sediment release of phosphorus in the restoration of the Norfolk Broads |
68 | The influx of black magnetic spherules to the lakes of the English Lake District |
69 | The effects of flow reduction in the River Dee on the aquatic environment |
70 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
71 | State of the Environment 2006 : the Environment Agency's assessment of the environment in South East England |
72 | State of the environment 2003 : the Environment Agency's assessment of the environment in South East England |
73 | Domesday to the dawn of the new millennium : 900 years of the Don Fishery |
74 | The drought of 1995 : a report to the Secretary of State for the Environment |
75 | Back to life : bringing the environment back to the people of the North West |