676 | 1967 - Quakers arriving on the shore of L.George. |
677 | First annual review of the Taw/Torridge estuary catchment management plan (1996)
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678 | Suffolk estuarine strategies : Blyth estuary strategy : introduction to the strategy |
679 | Method for the assessment of river water quality using benthic macroinvertebrates |
680 | Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide |
681 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
682 | The evaluation of a Philips ammonium ion selective electrode (220/14/T) |
683 | The greening of Grasmere: its plankton periodicity in 1988 |
684 | A strategic review of the petroleum refinery Industry Sector |
685 | Guidelines for river corridor surveys in the NRA : February 1992. draft 3 |
686 | Second annual review of the Sid/Otter catchment management plan 1999 |
687 | Contribution of small streams to potential fish production in the Conwy catchment |
688 | NRA strategy for reducing the concentration of pesticides in controlled waters |
689 | The ecology and management of riverine trees : interim report |
690 | Low-cost modifications of the Crump weir to improve fish passage |
691 | Policy and practice for the protection of floodplains |
692 | 'Sea Vigil' water quality monitoring : the Wash 1992-1993 |
693 | Second annual review of the Seaton, Looe and Fowey catchment management plan |
694 | The Yarrow catchment : recommendations for statutory water quality objectives |
695 | Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere |
696 | The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T) |
697 | Guidance on the use of Bioassays in Ecological Risk Assessment |
698 | The National Rivers Authority employee attitude survey : summary |
699 | The Use of a Hydroacoustic Counter for Assessing Salmon Stocks |
700 | Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A) |