51 | Enhancing the River Tamar |
52 | Drought : the dry facts |
53 | The Waterways Bird Survey |
54 | The Evaluation of FDMM |
55 | Enhancing the River Otter |
56 | The Colne Barrier 1999 |
57 | The Ouse washes (folder) |
58 | Sussex by the sea |
59 | Wetlands in the Midlands |
60 | The Severn Bore 1996 |
61 | Bacteriological survey : The Wash |
62 | The management of the water resources of the Lark groundwater unit |
63 | Review of the findings of the prescribed flow at the Wallers Haven |
64 | The management of the water resources of the Little Ouse groundwater unit |
65 | An aerial photograph of The Ferry House prior to the construction of The Pearsall Building |
66 | The water quality of the Humber Estuary 1992 : a report from The Humber Estuary Committee |
67 | The influx of black magnetic spherules to the lakes of the English Lake District |
68 | The drought of 1995 : a report to the Secretary of State for the Environment |
69 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
70 | The quality of the Humber Estuary 1980-1990 : report of the National Rivers Authority |
71 | The importance of sediment release of phosphorus in the restoration of the Norfolk Broads |
72 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
73 | State of the environment 2005 : the Environment Agency's assessment of the environment in South East England |
74 | Back to life : bringing the environment back to the people of the North West |
75 | State of the environment 2003 : the Environment Agency's assessment of the environment in South East England |