| 4376 | River Dart catchment river water quality classification 1990 |
|---|
| 4377 | River quality : July 1990 - June 1991 |
|---|
| 4378 | Health status of otters in southern and south west England 1996-2003 |
|---|
| 4379 | Economic appraisal of low flow alleviation : guidelines on desk top analysis : draft |
|---|
| 4380 | Yare catchment management plan : consultation report summary |
|---|
| 4381 | River Wissey investigations : linking hydrology and ecology : the basis for in-river flow management. Final Draft (OI/526/ ) |
|---|
| 4382 | NRA superannuation report and accounts for the period ended 31 March 1991 |
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| 4383 | Sewage treatment works remedial strategy : internal report |
|---|
| 4384 | Water for Welsh region: a consultation document (bilingual): Dwr i ranbarth Cymru : dogfen ymgynghori |
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| 4385 | Water resources development strategy : strategy overview. Supplementary report no. 9 |
|---|
| 4386 | River Gannel catchment river water quality classification 1991 |
|---|
| 4387 | Further guidance on the environmental assessment of projects |
|---|
| 4388 | Assessing the impact of sewage effluent disposal on groundwater (phase 2): final report |
|---|
| 4389 | Valuing Water Use in Scotland and Northern Ireland for WFD Implementation Purposes |
|---|
| 4390 | Safeguarding the lower bristol avon - public consultation |
|---|
| 4391 | Contracts Department (National Rivers Authority) |
|---|
| 4392 | Determination of Metal Background Reference Concentrations: Feasibility Study |
|---|
| 4393 | The NRA severn-thames transfer project: an assessment of the effect of mixing of source waters on the chemical composition |
|---|
| 4394 | An assessment of cormorant depredation on stillwater coarse fish populations in the Lea and Colne valleys of the Thames catchment |
|---|
| 4395 | Taw/Torridge Estuary catchment management plan : consultation report : August 1993 |
|---|
| 4396 | Waterways Breeding Bird Survey Pilot Study 1998: Adaptation of BBS Census Methods to Rivers and Canals |
|---|
| 4397 | The Lowermoor environment report |
|---|
| 4398 | Where to fish on the River Wye and its tributaries : a guide to day ticket facilities |
|---|
| 4399 | River Irwell catchment management plan : water quality supplement |
|---|
| 4400 | Switch mechanisms between alternative stable states in freshwater communities (01/574/1/A) |
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