51 | Enhancing the River Otter |
52 | The Colne Barrier 1999 |
53 | Sussex by the sea |
54 | The Severn Bore 1996 |
55 | Bacteriological survey : The Wash |
56 | The management of the water resources of the Lark groundwater unit |
57 | Review of the findings of the prescribed flow at the Wallers Haven |
58 | The management of the water resources of the Little Ouse groundwater unit |
59 | An aerial photograph of The Ferry House prior to the construction of The Pearsall Building |
60 | The water quality of the Humber Estuary 1992 : a report from The Humber Estuary Committee |
61 | The effects of flow reduction in the River Dee on the aquatic environment |
62 | The drought of 1995 : a report to the Secretary of State for the Environment |
63 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
64 | Angle on the Broads : helping you get the most out of fishing on the Broads |
65 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
66 | Study into the effect of Chertsey STW on the North Arm of the River Bourne |
67 | The Natural (Baseline) Quality Of Groundwaters In England And Wales. The Chalk Of The South Downs |
68 | Fish Tanks in the Hatchery |
69 | The Ferry Boat in 1905 |
70 | The industrial fishery for sandeels |
71 | The Soar Valley improvement scheme |
72 | Annex to 'achieving the quality' |
73 | Protecting the Kenwith Valley, Bideford |
74 | Welcome to the Essex catchment |
75 | The water bill : trickle irrigation |