51 | An aerial photograph of The Ferry House prior to the construction of The Pearsall Building |
52 | The water quality of the Humber Estuary 1992 : a report from The Humber Estuary Committee |
53 | The influx of black magnetic spherules to the lakes of the English Lake District |
54 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
55 | Angle on the Broads : helping you get the most out of fishing on the Broads |
56 | The quality of the Humber Estuary 1980-1990 : report of the National Rivers Authority |
57 | Domesday to the dawn of the new millennium : 900 years of the Don Fishery |
58 | The importance of sediment release of phosphorus in the restoration of the Norfolk Broads |
59 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
60 | State of the environment 2005 : the Environment Agency's assessment of the environment in South East England |
61 | Back to life : bringing the environment back to the people of the North West |
62 | State of the environment 2003 : the Environment Agency's assessment of the environment in South East England |
63 | State of the Environment 2006 : the Environment Agency's assessment of the environment in South East England |
64 | Study into the effect of Chertsey STW on the North Arm of the River Bourne |
65 | The Natural (Baseline) Quality Of Groundwaters In England And Wales. The Chalk Of The South Downs |
66 | Fish Tanks in the Hatchery |
67 | The Ferry Boat in 1905 |
68 | The industrial fishery for sandeels |
69 | The Soar Valley improvement scheme |
70 | Annex to 'achieving the quality' |
71 | The Aire catchment (river factfiles) |
72 | Protecting the Kenwith Valley, Bideford |
73 | Algae demonstrations in the lab |
74 | The Tyne catchment (river factfiles) |
75 | The Calder catchment (river factfiles) |