51 | Drought : the dry facts |
52 | The Lowermoor environment report |
53 | Delegates on The Tern |
54 | Sussex by the sea |
55 | The River Test. 1991. |
56 | The Waterways Bird Survey |
57 | The Ouse Washes Folder |
58 | Wetlands in the Midlands |
59 | The Ouse washes (folder) |
60 | Bacteriological survey : The Wash |
61 | The management of the water resources of the Little Ouse groundwater unit |
62 | Review of the findings of the prescribed flow at the Wallers Haven |
63 | The management of the water resources of the Lark groundwater unit |
64 | An aerial photograph of The Ferry House prior to the construction of The Pearsall Building |
65 | The water quality of the Humber Estuary 1992 : a report from The Humber Estuary Committee |
66 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
67 | The importance of sediment release of phosphorus in the restoration of the Norfolk Broads |
68 | Domesday to the dawn of the new millennium : 900 years of the Don Fishery |
69 | The quality of the Humber Estuary 1980-1990 : report of the National Rivers Authority |
70 | The effects of flow reduction in the River Dee on the aquatic environment |
71 | Angle on the Broads : helping you get the most out of fishing on the Broads |
72 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
73 | The influx of black magnetic spherules to the lakes of the English Lake District |
74 | The drought of 1995 : a report to the Secretary of State for the Environment |
75 | The Natural (Baseline) Quality Of Groundwaters In England And Wales. The Chalk Of The South Downs |