51 | The influx of black magnetic spherules to the lakes of the English Lake District |
52 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
53 | State of the Environment 2006 : the Environment Agency's assessment of the environment in South East England |
54 | State of the environment 2003 : the Environment Agency's assessment of the environment in South East England |
55 | The drought of 1995 : a report to the Secretary of State for the Environment |
56 | Back to life : bringing the environment back to the people of the North West |
57 | State of the environment 2005 : the Environment Agency's assessment of the environment in South East England |
58 | Angle on the Broads : helping you get the most out of fishing on the Broads |
59 | The Natural (Baseline) Quality Of Groundwaters In England And Wales. The Chalk Of The South Downs |
60 | River in the Dourdogne region |
61 | Annex to 'achieving the quality' |
62 | Paleolimnological Approaches to the WFD |
63 | Road transport and the environment |
64 | Fish Tanks in the Hatchery |
65 | Uses of the water environment |
66 | Colliery closures in the Midlands : a review of the potential impact of colliery closures on the water environment in the Midlands |
67 | The Severn Bore in 1995 |
68 | Water in the Thetford area
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69 | Algae demonstrations in the lab |
70 | The Ferry Boat in 1905 |
71 | The Severn Bore in 1993 |
72 | The Severn Bore in 1994 |
73 | Phosphorus in the Thames catchment |
74 | The oceanography of Falmouth harbour |
75 | Conservation in the Anglian region |