51 | The Ouse Washes Folder |
52 | The Lowermoor environment report |
53 | Drought : the dry facts |
54 | The Evaluation of FDMM |
55 | Sussex by the sea |
56 | The Ouse washes (folder) |
57 | The Severn Bore 1996 |
58 | Wetlands in the Midlands |
59 | The Waterways Bird Survey |
60 | The Colne Barrier 1999 |
61 | Enhancing the River Otter |
62 | Review of the findings of the prescribed flow at the Wallers Haven |
63 | The management of the water resources of the Little Ouse groundwater unit |
64 | The management of the water resources of the Lark groundwater unit |
65 | An aerial photograph of The Ferry House prior to the construction of The Pearsall Building |
66 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
67 | The influx of black magnetic spherules to the lakes of the English Lake District |
68 | The effects of flow reduction in the River Dee on the aquatic environment |
69 | The water quality of the Humber Estuary 1992 : a report from The Humber Estuary Committee |
70 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
71 | Domesday to the dawn of the new millennium : 900 years of the Don Fishery |
72 | The drought of 1995 : a report to the Secretary of State for the Environment |
73 | Back to life : bringing the environment back to the people of the North West |
74 | The quality of the Humber Estuary 1980-1990 : report of the National Rivers Authority |
75 | Study into the effect of Chertsey STW on the North Arm of the River Bourne |