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1351Front Cover of A Key to the British Fresh- and Brackish-Water Gastropods, with Notes on their Ecology
1352Micro low flows average and low flows estimation in the SW region : validation of regional version 1.3 software
1353The faunal richness of headwater streams. Stage 3 : impact of agricultural activities. Volume 2 : appendices (Note 392)
1354Water resources for the future : a strategy for Wales (Bilingual) : Adnoddau dwr ar gyfer y dyfodol (Bilingual)
1355Guidance to agency officers on the provision of technically competent management (multiple sites) at licensed waste facilities
1356Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2012
1357An investigation into the best method to combine national and local data to develop site-specific critical loads
1358Mercury and methylmercury in the river Yare, Norfolk (1986 - 1992) (OI/420/8/A annex) : annex to main report
1359Investigation into algal bloom conditions in three fresh water ponds located at the Miniature Pony Centre, Mortonhampstead (1996)
1360Investigation into failures of the River Dalch from Canns Mill Bridge to below Lapford sewage treatment works (2001)
1361The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report
1362Micro low flows average and low flow estimation in the SW region : validation of version 1.2 software
1363River Stour (2), Sudbury : report of a river corridor survey carried out for the National Rivers Authority, Anglian region
1364River Wissey investigations : linking hydrology and ecology : the basis for in-river flow management. Final Draft (OI/526/ )
1365River Glen : river channel assessment : annex B : an analysis of invertebrate records for the River Glen 1976-1991
1366Remote sensing and baseline monitoring of the coastal waters of England and Wales 1992-1993 : a survey report
1367International Workshop On The Uses Of Backfill In Nuclear Waste Repositories, Carlsbad, New Mexico, Usa, May 1998
1368Analysis of growth and survival of sea trout from the Welsh Dee: Interim Report, 2nd April 2000
1369River Glen : river channel assessment : annex C : an assessment of low flow characteristics of the River Glen, Lincolnshire
1370The River Conwy catchment management plan : action plan (bilingual) : 1995: Cynllun Gweithrediad Cynllun Rheoli Dalgylch yr Afon Conwy 1995
1371EU Habitats and Birds Directives. Guidance for the review of Environment Agency permissions: determining relevant permissions and "significant effect"
1372The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : review of existing literature
1373The Warwickshire Avon catchment management plan : first annual review : October 1994 - October 1995 (NRA Severn -Trent 45)
1374List of R and D outputs September 1989 to September 1995 : the National Rivers Authority's R and D programme
1375Low flows and water resources : facts on the top 40 low flow rivers in England and Wales