76 | Guide to the Medway navigation |
77 | The Tyne catchment (river factfiles) |
78 | Welcome to the Essex catchment |
79 | The registration of waste carriers |
80 | Protecting the Kenwith Valley, Bideford |
81 | The River Weaver : fact file |
82 | The water bill : trickle irrigation |
83 | The industrial fishery for sandeels |
84 | Help safeguard the Torridge (leaflet) |
85 | Air quality and the environment |
86 | The River Alt : fact file |
87 | The Wear catchment (river factfiles) |
88 | The Derwent catchment (river factfiles) |
89 | Meanders in the Amazon River |
90 | The Soar Valley improvement scheme |
91 | The Severn Bore in 1993 |
92 | The River Mersey : fact file |
93 | Colliery closures in the Midlands : a review of the potential impact of colliery closures on the water environment in the Midlands |
94 | The Tees catchment (river factfiles) |
95 | Road transport and the environment |
96 | The River Thames phosphate model |
97 | Pollution prevention in the '90's : the positive approach |
98 | A report on the investigation of the Taff litter problem |
99 | 1967 - Building the bedroom block in the IBP compound at L. George |
100 | Abandoned mines and the water environment : report of the National Rivers Authority |