| 626 | Land drainage byelaws 1981 and the Thames region flood defence byelaws 1991 |
|---|
| 627 | River quality in England and Wales : a report of the 1990 survey |
|---|
| 628 | Snapshots of the environment : understanding coastal water quality |
|---|
| 629 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
|---|
| 630 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
|---|
| 631 | Rivers of the Isle of Wight fact file |
|---|
| 632 | Stratification in the Severn Estuary- Physical aspects and biological consequences |
|---|
| 633 | The Mersey estuary : a report on environmental quality |
|---|
| 634 | 'Sea Vigil' water quality monitoring : the East coast 1992-1993 |
|---|
| 635 | Stream survey and assessment in the Ashford and Folkestone areas |
|---|
| 636 | Lakes, Ponds and Reservoirs in the Southern Region (NRA) |
|---|
| 637 | The 1990 river and estuary classification survey of England and Wales |
|---|
| 638 | The evaluation of an orion ammonium ion selective electrode (220/15/T) |
|---|
| 639 | Anthropogenic Impacts on the Hydrology of Rivers and Lochs |
|---|
| 640 | Dissemination of the Revitalised FEH Rainfall-runoff Method |
|---|
| 641 | General guide to the prevention of water pollution |
|---|
| 642 | Highway runoff: Effects of soluble pollutants on the ecology of receiving waters |
|---|
| 643 | Life cycle assessment of disposable and reusable nappies in the UK |
|---|
| 644 | Managing the social aspects of flooding: Synthesis Report |
|---|
| 645 | Model For Investigating The Impacts Of Groundwater Abstraction |
|---|
| 646 | National guidelines for the production of NRA regions 1990/91 regional plans |
|---|
| 647 | Operational mechanisms for the protection and enhancement of headwaters |
|---|
| 648 | Policy and practice for the protection of groundwater : regional appendix Welsh region |
|---|
| 649 | Procurement legislation and the NRA : a brief guide |
|---|
| 650 | Survey of copper speciation in the Great Ouse estuary |
|---|
