| 6426 | Guide to groundwater vulnerability mapping in England and Wales |
|---|
| 6427 | Investigation of existing conservation interests and potential furtherance opportunities |
|---|
| 6428 | Locations of licensed abstractions and hydrometric stations |
|---|
| 6429 | NRA regional, area and catchment boundaries |
|---|
| 6430 | Development of marine phytoplankton methodology and quality assurance procedures : second draft |
|---|
| 6431 | Impacts Of Nutrients In Estuaries - Phase 2 : Summary Report |
|---|
| 6432 | Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon |
|---|
| 6433 | Sampling Littoral Diatoms in Lakes for Ecological Status Assessments: a Literature Review |
|---|
| 6434 | Sediment input from coastal cliff erosion : interim report (literature review) |
|---|
| 6435 | River catchment plans for flood defence and land drainage : River Stort - evaluation report |
|---|
| 6436 | Code of practice - marine activities : part I : sea-going vessels |
|---|
| 6437 | Code of practice - marine activities : part II : boats - type II-V |
|---|
| 6438 | Herbarium Image: Callitriche obtusangula |
|---|
| 6439 | A brief history of the River Stour navigation : 1705 to the present day |
|---|
| 6440 | Ely Ouse catchment management plan : first annual review Jan 1994 to Jan 1996 |
|---|
| 6441 | Gipping/Stour catchment management plan : final plan |
|---|
| 6442 | Guide to the Medway navigation 1994 |
|---|
| 6443 | Harbour of Rye |
|---|
| 6444 | Herbarium Image: Ludwigia palustris |
|---|
| 6445 | Narrowboats on the Thames : useful hints and tips |
|---|
| 6446 | NRA navigation strategy |
|---|
| 6447 | Locks and weirs on the river Thames : how do they work? |
|---|
| 6448 | Catchment drainage studies and flood plain identification : Cockshaw/Halgut Burn at Hexham : section 105 - C30/92 surveys |
|---|
| 6449 | Bristol Avon Area fishery survey : Byde Mill Brook |
|---|
| 6450 | Herbarium Image: Potamogeton alpinus |
|---|
