51 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
52 | The influx of black magnetic spherules to the lakes of the English Lake District |
53 | The water quality of the Humber Estuary 1992 : a report from The Humber Estuary Committee |
54 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
55 | Domesday to the dawn of the new millennium : 900 years of the Don Fishery |
56 | The drought of 1995 : a report to the Secretary of State for the Environment |
57 | Back to life : bringing the environment back to the people of the North West |
58 | The Natural (Baseline) Quality Of Groundwaters In England And Wales. The Chalk Of The South Downs |
59 | Study into the effect of Chertsey STW on the North Arm of the River Bourne |
60 | River in the Dourdogne region |
61 | Annex to 'achieving the quality' |
62 | Road transport and the environment |
63 | Fish Tanks in the Hatchery |
64 | The Calder catchment (river factfiles) |
65 | Colliery closures in the Midlands : a review of the potential impact of colliery closures on the water environment in the Midlands |
66 | Rivers of the New Forest |
67 | The Severn Bore in 1995 |
68 | The River Arun : fact file |
69 | Water in the Thetford area
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70 | The Northumberland catchment (river factfiles) |
71 | Algae demonstrations in the lab |
72 | The Ferry Boat in 1905 |
73 | The Tees catchment (river factfiles) |
74 | The Severn Bore in 1993 |
75 | The tidal Thames : fact file |