3626 | NRA research and development programme - 1995/96 : schedule of on-going projects and proposed new starts |
3627 | Annual N2O measurements and associated data: AC0213, Northumberland, 2012 |
3628 | National Rivers Authority/Po River Basin Authority collaboration programme : (collection of documents) |
3629 | The Ribble fisheries management plan : a consultation document produced by the National Rivers Authority |
3630 | Sources of farm pollution and impact on river quality : interim report (001/6/W) |
3631 | Diagnostic Drawing: Cocolith types, |
3632 | Water resources development options : final report. Volume 2 : technical appendices |
3633 | Herbarium Image: Achillea ptarmica |
3634 | New style charging schemes for discharges and abstractions (Note 16) |
3635 | Proposed scheme of abstraction charges 1993-94 |
3636 | Flood risk management in North Wessex area : be prepared for flooding |
3637 | The National Rivers Authority employee attitude survey : summary |
3638 | The Use of a Hydroacoustic Counter for Assessing Salmon Stocks |
3639 | Factors affecting natural smolt production |
3640 | The disposal of sheep dip waste (R and D Report 11) : effects on water quality |
3641 | Dugesia tigrina, |
3642 | Herbarium Image: Potamogeton berchtoldii |
3643 | Diagnostic Drawing: Chaetophora and related genera, |
3644 | Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A) |
3645 | Restoration of riverine fisheries habitats - progress report for period October 1991 - March 1992 |
3646 | Pesticides in the aquatic environment 1997 : executive summary |
3647 | Diagnostic Drawing: Codiaceae, |
3648 | Fertiliser application dates: AC0213, Northumberland, 2012 |
3649 | River quality classification 1985-1990 : reasons for non-compliance |
3650 | Investigation of the impact on water quality of the SWW Teign estuary sewerage trenching activity |