| 4126 | Status of rare fish : literature review (draft document) |
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| 4127 | Herbarium Image: Trifolium campestre |
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| 4128 | Ipswich flood defences |
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| 4129 | 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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| 4130 | Ranunculus in Chalk Rivers |
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| 4131 | NRA facts 1990 |
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| 4132 | Strategy for the use of field instrumentation in water quality monitoring |
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| 4133 | User notes for the Deben groundwater modelling package |
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| 4134 | Environmental assessment guidelines : a procedure for ensuring environmental factors are taken into account in the design and implementation of land drainage improvement works |
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| 4135 | Anthropogenic Influences on the temperature regime in a chalk river |
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| 4136 | London's river (information pack on the River Thames) |
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| 4137 | River Usk barrage position statement, 18th January 1991 |
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| 4138 | Water and the environment in times of drought |
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| 4139 | Exe freshwater model : quasar model design |
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| 4140 | A Post Mortem Study of Otters (Lutra Lutra) Found Dead in South West England |
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| 4141 | Catchment handbook : River Camel catchment : final draft report |
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| 4142 | Monitoring the coast for flood defence |
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| 4143 | River Itchen catchment management plan : consultation report |
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| 4144 | Regional juvenile salmonid monitoring programme : annual report 1992 |
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| 4145 | Marine case study 3 : phytoplankton dynamics : draft for discussion with project team |
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| 4146 | Regional juvenile salmonid monitoring programme : annual report 1990 |
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| 4147 | Ponds in Partnership Phase 1 Final Report Appendix |
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| 4148 | Macroinvertebrates of the River Nar : Great Ouse catchment : draft report |
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| 4149 | River Wissey investigations : linking hydrology and ecology March 1994 |
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| 4150 | Clear waters : priorities for the National Rivers Authority after one year's work : the Laphroaig lecture by the Rt. Hon. the Lord Crickhowell, chairman - National Rivers Authority. Delivered on Tuesday, 30th October 1990 at the Fishmongers' Hall, London |
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