51 | Enhancing the River Tamar |
52 | The Ouse washes (folder) |
53 | The Waterways Bird Survey |
54 | Drought : the dry facts |
55 | The Colne Barrier 1999 |
56 | The Severn Bore 1996 |
57 | Review of the findings of the prescribed flow at the Wallers Haven |
58 | The management of the water resources of the Lark groundwater unit |
59 | The management of the water resources of the Little Ouse groundwater unit |
60 | Back to life : bringing the environment back to the people of the North West |
61 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
62 | State of the environment 2003 : the Environment Agency's assessment of the environment in South East England |
63 | The influx of black magnetic spherules to the lakes of the English Lake District |
64 | State of the environment 2005 : the Environment Agency's assessment of the environment in South East England |
65 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
66 | The water quality of the Humber Estuary 1992 : a report from The Humber Estuary Committee |
67 | State of the Environment 2006 : the Environment Agency's assessment of the environment in South East England |
68 | The quality of the Humber Estuary 1980-1990 : report of the National Rivers Authority |
69 | The drought of 1995 : a report to the Secretary of State for the Environment |
70 | The importance of sediment release of phosphorus in the restoration of the Norfolk Broads |
71 | The industrial fishery for sandeels |
72 | The Dee regulation scheme (bilingual) |
73 | Meanders in the Amazon River |
74 | River in the Dourdogne region |
75 | Algae demonstrations in the lab |