51 | Drought : the dry facts |
52 | Bacteriological survey : The Wash |
53 | The Severn Bore 1996 |
54 | The Evaluation of FDMM |
55 | The Colne Barrier 1999 |
56 | Review of the findings of the prescribed flow at the Wallers Haven |
57 | An aerial photograph of The Ferry House prior to the construction of The Pearsall Building |
58 | The influx of black magnetic spherules to the lakes of the English Lake District |
59 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
60 | Back to life : bringing the environment back to the people of the North West |
61 | The water quality of the Humber Estuary 1992 : a report from The Humber Estuary Committee |
62 | The quality of the Humber Estuary 1980-1990 : report of the National Rivers Authority |
63 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
64 | Study into the effect of Chertsey STW on the North Arm of the River Bourne |
65 | Angle on the Broads : helping you get the most out of fishing on the Broads |
66 | Domesday to the dawn of the new millennium : 900 years of the Don Fishery |
67 | The effects of flow reduction in the River Dee on the aquatic environment |
68 | The drought of 1995 : a report to the Secretary of State for the Environment |
69 | The importance of sediment release of phosphorus in the restoration of the Norfolk Broads |
70 | Meanders in the Amazon River |
71 | River in the Dourdogne region |
72 | Algae demonstrations in the lab |
73 | Fish Tanks in the Hatchery |
74 | The Ferry Boat in 1905 |
75 | The Agency's conservation duties (SD2) |