| 426 | Herbarium Image: Sparganium natans |
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| 427 | Corporate performance monitoring report : full year 1993/94 |
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| 428 | Aerial surveillance of fourteen estuaries in England and Wales |
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| 429 | Herbarium Image: Spiraea salicifolia |
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| 430 | Water colour and humic charge final report
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| 431 | Regulation of real time control in urban drainage systems (555/4/NY) : draft project record |
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| 432 | Algae demonstrations in the lab |
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| 433 | The status of the Windermere charr populations |
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| 434 | Herbarium Image: Potamogeton praelongus |
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| 435 | The quality of rivers and canals in England and Wales (1990 to 1992) : as assessed by a new general quality assessment scheme : report of the National Rivers Authority |
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| 436 | River Kennet catchment management plan : final report : April 1994 |
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| 437 | The Tyne catchment (river factfiles) |
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| 438 | Herbarium Image: Eriophorum vaginatum |
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| 439 | Managing water abstraction : towards a shared strategy : a consultation document for catchment abstraction management strategies |
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| 440 | Windermere South Basin Seismic Survey Data 1987 Section 05 |
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| 441 | Windermere South Basin Seismic Survey Data 1987 Section 04 |
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| 442 | Windermere South Basin Seismic Survey Data 1987 Section 03 |
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| 443 | Windermere South Basin Seismic Survey Data 1987 Section 02 |
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| 444 | Windermere South Basin Seismic Survey Data 1987 Section 01 |
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| 445 | Windermere South Basin Seismic Survey Data 1987 Annotated OS Map of Transects |
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| 446 | Windermere North Basin Seismic Survey Data 1987 Section 06 |
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| 447 | Windermere North Basin Seismic Survey Data 1987 Section 05 |
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| 448 | Windermere North Basin Seismic Survey Data 1987 Section 04 |
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| 449 | Windermere North Basin Seismic Survey Data 1987 Section 03 |
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| 450 | Windermere North Basin Seismic Survey Data 1987 Section 02 |
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