926 | The Worcestershire Stour catchment : recommendations for statutory water quality objectives |
927 | An assessment of river water quality in the River Kenn |
928 | A survey of ferruginous minewater impacts in the Welsh coalfields |
929 | A survey of ferruginous minewater impacts in the Welsh coalfields |
930 | Dioxins and the River Doe Lea : plain English report |
931 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
932 | Narrowboats on the Thames : useful hints and tips |
933 | Locks and weirs on the river Thames : how do they work? |
934 | Eel and elver studies in the Severn : interim report (256/6/ST) |
935 | Fishery survey of the Bridgwater and Taunton Canal |
936 | The quality of rivers and estuaries in Northumbria region 1990 |
937 | A guide to sustainable urban drainage : protecting the quality of our environment |
938 | Air dispersion climate from the Castle Cement works at Ribblesdale |
939 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
940 | Pesticide residues in fish taken from the Newlyn River (1992) |
941 | A Review Of The Impact Of Microbiological Contaminants In Groundwater |
942 | Doe Lea restoration study : the work of WRc |
943 | Environmental screening for the Merseyside objective 1 programme : environmental screening guidelines |
944 | The NRA in business : annual review and summary accounts 1993-94 |
945 | Environmental statement for the River Wandle flood alleviation scheme contract one (C1) |
946 | Cyanobacteria (blue-green algae) in the south west region 1989 |
947 | Toxic blue-green algae : a report by the National Rivers Authority |
948 | Investigation of salinity in the river Thurne catchment of North East Norfolk |
949 | Water quality investigations in the Newlyn river catchment |
950 | Investigations of discharges into the River Lemon at Newton Abbot |