| 526 | River Gannel catchment river water quality classification 1991 |
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| 527 | Safeguarding the lower bristol avon - public consultation |
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| 528 | The Lowermoor environment report |
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| 529 | Where to fish on the River Wye and its tributaries : a guide to day ticket facilities |
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| 530 | River Irwell catchment management plan : water quality supplement |
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| 531 | Evaluation of FRONTIERS accumulation forecasts in the NRA Thames and North West regions : final report of the Joint Met |
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| 532 | River Usk barrage position statement, 4th August 1993 |
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| 533 | The River Ash : enhancement project |
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| 534 | Time of travel on the River Lee under high and medium flow : appendix b : time of travel on the small River Lee |
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| 535 | The management of the water resources of the Little Ouse groundwater unit |
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| 536 | River Yealm catchment river water quality classification 1991 |
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| 537 | River Glen : river channel assessment : annex B : an analysis of invertebrate records for the River Glen 1976-1991 |
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| 538 | St Agnes spore and dye survey 10/8/95 (draft) |
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| 539 | River Exe catchment management plan : consultation report |
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| 540 | Gipping/Stour catchment management plan : consultation report summary |
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| 541 | The River Tywi catchment management plan : action plan (bilingual) |
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| 542 | River Valency and Crackington Streams catchment river water quality classification 1990 |
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| 543 | River Axe abstraction : implications for water quality |
|---|
| 544 | Environmental planning issues in the North Wessex area |
|---|
| 545 | River Seaton catchment river water quality classification 1991 |
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| 546 | North West Norfolk catchment management plan : consultation report : March 1995 |
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| 547 | Investigation of the effects of sewage treatment works discharges on receiving waters in the Lowermoor Water Treatment Works supply area November 1989 |
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| 548 | Investigation of the environmental impact of Coombe Farm on the Clapton Stream January 1992 |
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| 549 | User notes for the Deben groundwater modelling package |
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| 550 | Freshwater Tamar and tributaries catchment management plan : action plan |
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