| 426 | Esthwaite Water Seismic Survey data 1983-Section 09 |
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| 427 | Esthwaite Water Seismic Survey data 1983-Section 08 |
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| 428 | Esthwaite Water Seismic Survey data 1983-Section 07 |
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| 429 | Esthwaite Water Seismic Survey data 1983-Section 06 |
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| 430 | Esthwaite Water Seismic Survey data 1983-Section 05 |
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| 431 | Esthwaite Water Seismic Survey data 1983-Section 04 |
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| 432 | Esthwaite Water Seismic Survey data 1983-Section 03 |
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| 433 | Esthwaite Water Seismic Survey data 1983-Section 02 |
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| 434 | Esthwaite Water Seismic Survey data 1983-Section 01 |
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| 435 | Typha angustifolia flowers |
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| 436 | The influence of variations in reedswamp structure and extent upon macroinvertebrates |
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| 437 | A map illustrating the locations of litter collection and litter bag installation |
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| 438 | Paraleptophlebia tumida |
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| 439 | Progress Report December 1989 |
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| 440 | Atlantic Salmon Trust Journal 2010 |
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| 441 | Progress Report December 1986 |
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| 442 | Progress Report June 1990 |
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| 443 | Atlantic Salmon Trust Summer Journal 2008 |
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| 444 | Genetics and the management of the Atlantic salmon |
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| 445 | Impact of nutrients in estuaries - Proceedings of a workshop on 23 May 1995 (639/1/A) |
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| 446 | Assessment of radioactive discharge screening levels for biota protected under the habitats regulations : April 2002 |
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| 447 | Guidance Manual On Underground Fuel Storage Tank Installations |
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| 448 | A strategy for implementing the Environment Agency's contribution to the UK Biodiversity Action Plan |
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| 449 | Water resources development strategies : London, 20th April 1994 |
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| 450 | Lake Benthic Macroinvertebrates 2: Quantifying Uncertainty in Sampling Methodology |
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