| 51 | Bacteriological survey : The Wash |
|---|
| 52 | The Ferry Boat, Windermere |
|---|
| 53 | The Ouse washes (folder) |
|---|
| 54 | Review of the findings of the prescribed flow at the Wallers Haven |
|---|
| 55 | The management of the water resources of the Lark groundwater unit |
|---|
| 56 | The management of the water resources of the Little Ouse groundwater unit |
|---|
| 57 | An aerial photograph of The Ferry House prior to the construction of The Pearsall Building |
|---|
| 58 | A guide to the interpretation of the electron micrographs contained within the "Ken Clarke Collection" |
|---|
| 59 | The influx of black magnetic spherules to the lakes of the English Lake District |
|---|
| 60 | The water quality of the Humber Estuary 1992 : a report from The Humber Estuary Committee |
|---|
| 61 | The quality of the Humber Estuary 1980-1990 : report of the National Rivers Authority |
|---|
| 62 | The effects of flow reduction in the River Dee on the aquatic environment |
|---|
| 63 | Study into the effect of Chertsey STW on the North Arm of the River Bourne |
|---|
| 64 | The drought of 1995 : a report to the Secretary of State for the Environment |
|---|
| 65 | The importance of sediment release of phosphorus in the restoration of the Norfolk Broads |
|---|
| 66 | The Thames navigation : charting the future : a consultation document issued by the NRA Thames Region |
|---|
| 67 | Angle on the Broads : helping you get the most out of fishing on the Broads |
|---|
| 68 | Back to life : bringing the environment back to the people of the North West |
|---|
| 69 | The Natural (Baseline) Quality Of Groundwaters In England And Wales. The Chalk Of The South Downs |
|---|
| 70 | The industrial fishery for sandeels |
|---|
| 71 | River in the Dourdogne region |
|---|
| 72 | Algae demonstrations in the lab |
|---|
| 73 | The Ferry Boat in 1905 |
|---|
| 74 | The Esk catchment (river factfiles) |
|---|
| 75 | The Agency's conservation duties (SD2) |
|---|
