51 | The effects of flow reduction in the River Dee on the aquatic environment |
52 | The influx of black magnetic spherules to the lakes of the English Lake District |
53 | The drought of 1995 : a report to the Secretary of State for the Environment |
54 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
55 | Back to life : bringing the environment back to the people of the North West |
56 | Angle on the Broads : helping you get the most out of fishing on the Broads |
57 | The Natural (Baseline) Quality Of Groundwaters In England And Wales. The Chalk Of The South Downs |
58 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
59 | Fish Tanks in the Hatchery |
60 | The Ferry Boat in 1905 |
61 | The industrial fishery for sandeels |
62 | Re-building the Anglian coastline |
63 | The Wear catchment (river factfiles) |
64 | The Soar Valley improvement scheme |
65 | River in the Dourdogne region |
66 | The registration of waste carriers |
67 | Viruses in the aquatic environment |
68 | Annex to 'achieving the quality' |
69 | Colliery closures in the Midlands : a review of the potential impact of colliery closures on the water environment in the Midlands |
70 | The Dee regulation scheme (bilingual) |
71 | The River Alt : fact file |
72 | The Northumberland catchment (river factfiles) |
73 | The Severn Bore in 1994 |
74 | The Aire catchment (river factfiles) |
75 | Welcome to the Essex catchment |