| 626 | The Warwickshire Avon catchment management plan : first annual review : October 1994 - October 1995 (NRA Severn -Trent 45)
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| 627 | River Plym catchment river water quality classification 1990 |
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| 628 | Beneath the town : safeguarding Bodmin from flooding |
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| 629 | River Dee water resources strategy : consultation document |
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| 630 | River Avon fisheries survey 1994 |
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| 631 | River Mirmram fact file |
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| 632 | River Tamar catchment river water quality classification 1991 |
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| 633 | River Ancholme navigation |
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| 634 | Devon area report - River Creedy fisheries survey 1994 |
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| 635 | East Suffolk : consultation report : June 1997 |
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| 636 | Ely Ouse - Essex water resource investigations : scoping study for Denver naturalisation |
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| 637 | Hurn Weir fish pass |
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| 638 | Reduction in aldrin and dieldrin concentrations in the Newlyn River |
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| 639 | Investigation into farm pollution at Wheddon Cross (1999) |
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| 640 | Domesday to the dawn of the new millennium : 900 years of the Don Fishery |
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| 641 | Historic changes in the Upper River Ehen Catchment- Summary |
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| 642 | West Midlands Stour : consultation report |
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| 643 | Alt / Crossens catchment management plan first annual review, July 1998 |
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| 644 | Ely Ouse Catchment Management Plan |
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| 645 | Fisheries technical report : Devon area report : River Taw fisheries survey 1996 |
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| 646 | The extent of phosphorus release in the Norfolk Broads |
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| 647 | River Sid catchment : river water quality classification 1990 |
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| 648 | Hampshire Avon : consultation draft : December 1998 |
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| 649 | River Exe catchment river water quality classification 1991 |
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| 650 | Grimsby catchment management plan : consultation report : November 1994 |
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