51 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
52 | The Natural (Baseline) Quality Of Groundwaters In England And Wales. The Chalk Of The South Downs |
53 | The influx of black magnetic spherules to the lakes of the English Lake District |
54 | The effects of flow reduction in the River Dee on the aquatic environment |
55 | The water quality of the Humber Estuary 1992 : a report from The Humber Estuary Committee |
56 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
57 | Domesday to the dawn of the new millennium : 900 years of the Don Fishery |
58 | The drought of 1995 : a report to the Secretary of State for the Environment |
59 | Back to life : bringing the environment back to the people of the North West |
60 | River in the Dourdogne region |
61 | Meanders in the Amazon River |
62 | Annex to 'achieving the quality' |
63 | Road transport and the environment |
64 | The River Thames phosphate model |
65 | Welcome to the Essex catchment |
66 | The industrial fishery for sandeels |
67 | Air quality and the environment |
68 | Fish Tanks in the Hatchery |
69 | Guide to the Medway navigation |
70 | The River Alt : fact file |
71 | The Calder catchment (river factfiles) |
72 | The Development of LandSim 2.5 |
73 | Colliery closures in the Midlands : a review of the potential impact of colliery closures on the water environment in the Midlands |
74 | Rivers of the New Forest |
75 | The Severn Bore in 1995 |