| 4226 | Yield calculations and nitrate predictions for Grafham Water |
|---|
| 4227 | River Axe abstraction : implications for water quality |
|---|
| 4228 | Annual classification of river water quality 1991 |
|---|
| 4229 | Riverbank Protection Using Willows - Scoping Study |
|---|
| 4230 | Aquatic Plant Management Group Project |
|---|
| 4231 | Proposed scheme of charges in respect of applications for consent to discharge to controlled waters |
|---|
| 4232 | Cost-estimation manual for sea defences (217/2/A) : draft final report |
|---|
| 4233 | Moston Brook Summary Report for the Evidence and Measures Project |
|---|
| 4234 | Summary report on environmental developments : volume 1 : legislation and European practice : October 1988 |
|---|
| 4235 | Corporate Environmental Reporting in the UK Water Sector - A Concise Review |
|---|
| 4236 | Fish and the Ecological Assessment of Lakes and Rivers for the Water Framework Directive |
|---|
| 4237 | Daily nitrous oxide flux measurements: AC0213, Nottinghamshire, 2011 urine |
|---|
| 4238 | The NRA navigations |
|---|
| 4239 | Environmental planning issues in the North Wessex area |
|---|
| 4240 | River quality objectives |
|---|
| 4241 | Background soil mineral nitrogen: AC0213, Nottinghamshire, 2010 |
|---|
| 4242 | River Seaton catchment river water quality classification 1991 |
|---|
| 4243 | Status of rare fish : literature review (draft document) |
|---|
| 4244 | Herbarium Image: Trifolium campestre |
|---|
| 4245 | North West Norfolk catchment management plan : consultation report : March 1995 |
|---|
| 4246 | Ipswich flood defences |
|---|
| 4247 | Investigation of the effects of sewage treatment works discharges on receiving waters in the Lowermoor Water Treatment Works supply area November 1989 |
|---|
| 4248 | Investigation of the environmental impact of Coombe Farm on the Clapton Stream January 1992 |
|---|
| 4249 | Ranunculus in Chalk Rivers |
|---|
| 4250 | NRA facts 1990 |
|---|
