401 | An investigation of the water quality in three Plymouth catchment streams |
402 | Malodours and discolouration on the Wool Brook Sidmouth |
403 | Protection of the Water Environment using Balancing Facilities |
404 | Review of water resources in the Fylde Aquifer and Wyre catchment |
405 | The River Arun catchment management plan : action plan |
406 | The Mersey Estuary 1992 surveys : summary of results |
407 | An investigation to determine the water quality of Churchstanton Stream |
408 | Proposals for statutory water quality objectives : report of the National Rivers Authority |
409 | Conservation in the Severn-Trent Region (NRA Severn-Trent 57)
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410 | A report on the investigation into water contamination at Hauxton, Cambrigeshire |
411 | Fisheries of the middle and lower Wylye and factors affecting their performance |
412 | The drought of 1988-1992 in Anglia : a review |
413 | Development of an Estuarine Classification Scheme for the Water Framework Directive |
414 | Summary of monitoring activities on the blackwater estuary |
415 | Macroinvertebrates in the Kennet catchment : Part 1 - water quality monitoring |
416 | Guide to the use of control charts in water analysis |
417 | A Review of Methods for Assessing the Hydromorphology of Lakes |
418 | A survey of trace metals in biota of the Mersey estuary 1993 |
419 | Policy and practice for the protection of groundwater : regional appendix Anglian region |
420 | Post drought soil water recharge : a study of the processes of recharge |
421 | Continuous water quality monitoring results for the Carnon river |
422 | An assessment of the NRA algal growth inhibition test : 1993/4 |
423 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8 |
424 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9 |
425 | The use of herbicides to control weeds in or near water |