| 4526 | NRA facts 1990 |
|---|
| 4527 | Strategy for the use of field instrumentation in water quality monitoring |
|---|
| 4528 | Invertebrates of Exposed Riverine Sediment |
|---|
| 4529 | User notes for the Deben groundwater modelling package |
|---|
| 4530 | Environmental assessment guidelines : a procedure for ensuring environmental factors are taken into account in the design and implementation of land drainage improvement works |
|---|
| 4531 | Anthropogenic Influences on the temperature regime in a chalk river |
|---|
| 4532 | London's river (information pack on the River Thames) |
|---|
| 4533 | Freshwater Tamar and tributaries catchment management plan : action plan |
|---|
| 4534 | River Usk barrage position statement, 18th January 1991 |
|---|
| 4535 | Water and the environment in times of drought |
|---|
| 4536 | Exe freshwater model : quasar model design |
|---|
| 4537 | A Post Mortem Study of Otters (Lutra Lutra) Found Dead in South West England |
|---|
| 4538 | Catchment handbook : River Camel catchment : final draft report |
|---|
| 4539 | Monitoring the coast for flood defence |
|---|
| 4540 | River Itchen catchment management plan : consultation report |
|---|
| 4541 | Regional juvenile salmonid monitoring programme : annual report 1992 |
|---|
| 4542 | Marine case study 3 : phytoplankton dynamics : draft for discussion with project team |
|---|
| 4543 | Regional juvenile salmonid monitoring programme : annual report 1990 |
|---|
| 4544 | Ponds in Partnership Phase 1 Final Report Appendix |
|---|
| 4545 | Macroinvertebrates of the River Nar : Great Ouse catchment : draft report |
|---|
| 4546 | River Darent catchment management plan : consultation report |
|---|
| 4547 | River Wissey investigations : linking hydrology and ecology March 1994 |
|---|
| 4548 | Clear waters : priorities for the National Rivers Authority after one year's work : the Laphroaig lecture by the Rt. Hon. the Lord Crickhowell, chairman - National Rivers Authority. Delivered on Tuesday, 30th October 1990 at the Fishmongers' Hall, London |
|---|
| 4549 | Regional water quality monitoring and surveillance programme for 1992 : quality investigations in controlled waters |
|---|
| 4550 | Upper Nene catchment management plan : consultation report summary |
|---|
