51 | Enhancing the River Otter |
52 | The River Test. 1991. |
53 | Sussex by the sea |
54 | Enhancing the River Tamar |
55 | Drought : the dry facts |
56 | The Colne Barrier 1999 |
57 | The Evaluation of FDMM |
58 | The Severn Bore 1996 |
59 | An aerial photograph of The Ferry House prior to the construction of The Pearsall Building |
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 drought of 1995 : a report to the Secretary of State for the Environment |
67 | The water quality of the Humber Estuary 1992 : a report from The Humber Estuary Committee |
68 | State of the Environment 2006 : the Environment Agency's assessment of the environment in South East England |
69 | The importance of sediment release of phosphorus in the restoration of the Norfolk Broads |
70 | The quality of the Humber Estuary 1980-1990 : report of the National Rivers Authority |
71 | The effects of flow reduction in the River Dee on the aquatic environment |
72 | Study into the effect of Chertsey STW on the North Arm of the River Bourne |
73 | The industrial fishery for sandeels |
74 | Meanders in the Amazon River |
75 | River in the Dourdogne region |