626 | The effects of fishing at low water levels |
627 | 1967 - George and Gideon cutting mbati for the bedroom block. |
628 | 1967 - Quakers arriving on the shore of L.George. |
629 | First annual review of the Taw/Torridge estuary catchment management plan (1996)
|
630 | Suffolk estuarine strategies : Blyth estuary strategy : introduction to the strategy |
631 | Method for the assessment of river water quality using benthic macroinvertebrates |
632 | Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide |
633 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
634 | The evaluation of a Philips ammonium ion selective electrode (220/14/T) |
635 | The greening of Grasmere: its plankton periodicity in 1988 |
636 | A strategic review of the petroleum refinery Industry Sector |
637 | Guidelines for river corridor surveys in the NRA : February 1992. draft 3 |
638 | Second annual review of the Sid/Otter catchment management plan 1999 |
639 | Contribution of small streams to potential fish production in the Conwy catchment |
640 | The ecology and management of riverine trees : interim report |
641 | Low-cost modifications of the Crump weir to improve fish passage |
642 | Policy and practice for the protection of groundwater - Thames region appendix |
643 | 'Sea Vigil' water quality monitoring : the Wash 1992-1993 |
644 | Second annual review of the Seaton, Looe and Fowey catchment management plan |
645 | The Yarrow catchment : recommendations for statutory water quality objectives |
646 | The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T) |
647 | Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A) |
648 | Targeted Monitoring Programme for Pharmaceuticals in the Aquatic Environment |
649 | Mercury and methylmercury in the river Yare, Norfolk (OI/420/8/A) |
650 | The Louth coastal catchment management plan : final report |