51 | Delegates on The Tern |
52 | Drought - The Dry Facts |
53 | Bacteriological survey : The Wash |
54 | Enhancing the River Tamar |
55 | The Ouse Washes Folder |
56 | The Lowermoor environment report |
57 | Drought : the dry facts |
58 | The Evaluation of FDMM |
59 | Sussex by the sea |
60 | The Ouse washes (folder) |
61 | The Severn Bore 1996 |
62 | Wetlands in the Midlands |
63 | The Waterways Bird Survey |
64 | The Colne Barrier 1999 |
65 | Fishing in the South |
66 | Enhancing the River Otter |
67 | Review of the findings of the prescribed flow at the Wallers Haven |
68 | The management of the water resources of the Little Ouse groundwater unit |
69 | The management of the water resources of the Lark groundwater unit |
70 | An aerial photograph of The Ferry House prior to the construction of The Pearsall Building |
71 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
72 | The influx of black magnetic spherules to the lakes of the English Lake District |
73 | The effects of flow reduction in the River Dee on the aquatic environment |
74 | The water quality of the Humber Estuary 1992 : a report from The Humber Estuary Committee |
75 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |