| 3226 | Annual N2O measurements and associated data: AC0213, Northumberland, 2012 |
|---|
| 3227 | National Rivers Authority/Po River Basin Authority collaboration programme : (collection of documents) |
|---|
| 3228 | Sources of farm pollution and impact on river quality : interim report (001/6/W) |
|---|
| 3229 | Diagnostic Drawing: Cocolith types, |
|---|
| 3230 | Herbarium Image: Achillea ptarmica |
|---|
| 3231 | New style charging schemes for discharges and abstractions (Note 16) |
|---|
| 3232 | Proposed scheme of abstraction charges 1993-94 |
|---|
| 3233 | Flood risk management in North Wessex area : be prepared for flooding |
|---|
| 3234 | The National Rivers Authority employee attitude survey : summary |
|---|
| 3235 | The Use of a Hydroacoustic Counter for Assessing Salmon Stocks |
|---|
| 3236 | Factors affecting natural smolt production |
|---|
| 3237 | The disposal of sheep dip waste (R and D Report 11) : effects on water quality |
|---|
| 3238 | Dugesia tigrina, |
|---|
| 3239 | Herbarium Image: Potamogeton berchtoldii |
|---|
| 3240 | Diagnostic Drawing: Chaetophora and related genera, |
|---|
| 3241 | Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A) |
|---|
| 3242 | Restoration of riverine fisheries habitats - progress report for period October 1991 - March 1992 |
|---|
| 3243 | Pesticides in the aquatic environment 1997 : executive summary |
|---|
| 3244 | Diagnostic Drawing: Codiaceae, |
|---|
| 3245 | Fertiliser application dates: AC0213, Northumberland, 2012 |
|---|
| 3246 | River quality classification 1985-1990 : reasons for non-compliance |
|---|
| 3247 | Weather data: AC0213, Devon, 2011 |
|---|
| 3248 | The Opening Ceremony of The River Laboratory |
|---|
| 3249 | Herbarium Image: Achillea ptarmica |
|---|
| 3250 | Cover of A Key to the Adults and Nymphs of the British Stoneflies (Plecoptera), with Notes on their Ecology and Distribution |
|---|
