76 | The Natural (Baseline) Quality Of Groundwaters In England And Wales. The Chalk Of The South Downs |
77 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
78 | The quality of the Humber Estuary 1980-1990 : report of the National Rivers Authority |
79 | Domesday to the dawn of the new millennium : 900 years of the Don Fishery |
80 | Fish Tanks in the Hatchery |
81 | The Ferry Boat in 1905 |
82 | Committed to the environment : a report from the committees of the Environment Agency's Southern Region for the year 1999/00 |
83 | The industrial fishery for sandeels |
84 | The Wear catchment (river factfiles) |
85 | The Soar Valley improvement scheme |
86 | River in the Dourdogne region |
87 | The registration of waste carriers |
88 | Meanders in the Amazon River |
89 | The River Thames phosphate model |
90 | Annex to 'achieving the quality' |
91 | Colliery closures in the Midlands : a review of the potential impact of colliery closures on the water environment in the Midlands |
92 | The Dee regulation scheme (bilingual) |
93 | The River Alt : fact file |
94 | The Northumberland catchment (river factfiles) |
95 | The Aire catchment (river factfiles) |
96 | Welcome to the Essex catchment |
97 | The water bill : trickle irrigation |
98 | The Derwent catchment (river factfiles) |
99 | The Tees catchment (river factfiles) |
100 | The River Arun : fact file |