| 3501 | LOIS : proceedings of a Humber seminar : 17 May 2001 |
|---|
| 3502 | Blue-green algal monitoring 1995-1997 |
|---|
| 3503 | Chlorella, |
|---|
| 3504 | Sapiston River support scheme : test pumping of observation boreholes (92/6/362) |
|---|
| 3505 | NRA research and development programme - 1995/96 : schedule of on-going projects and proposed new starts |
|---|
| 3506 | Rivers and wetlands : best practice guidelines |
|---|
| 3507 | National Rivers Authority/Po River Basin Authority collaboration programme : (collection of documents) |
|---|
| 3508 | Sources of farm pollution and impact on river quality : interim report (001/6/W) |
|---|
| 3509 | Diagnostic Drawing: Cocolith types, |
|---|
| 3510 | Water resources development options : final report. Volume 2 : technical appendices |
|---|
| 3511 | Herbarium Image: Achillea ptarmica |
|---|
| 3512 | New style charging schemes for discharges and abstractions (Note 16) |
|---|
| 3513 | Proposed scheme of abstraction charges 1993-94 |
|---|
| 3514 | Flood risk management in North Wessex area : be prepared for flooding |
|---|
| 3515 | The National Rivers Authority employee attitude survey : summary |
|---|
| 3516 | The Use of a Hydroacoustic Counter for Assessing Salmon Stocks |
|---|
| 3517 | Factors affecting natural smolt production |
|---|
| 3518 | The disposal of sheep dip waste (R and D Report 11) : effects on water quality |
|---|
| 3519 | Dugesia tigrina, |
|---|
| 3520 | Herbarium Image: Potamogeton berchtoldii |
|---|
| 3521 | Diagnostic Drawing: Chaetophora and related genera, |
|---|
| 3522 | Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A) |
|---|
| 3523 | Restoration of riverine fisheries habitats - progress report for period October 1991 - March 1992 |
|---|
| 3524 | Pesticides in the aquatic environment 1997 : executive summary |
|---|
| 3525 | Diagnostic Drawing: Codiaceae, |
|---|
