926 | A survey of ferruginous minewater impacts in the Welsh coalfields |
927 | A survey of ferruginous minewater impacts in the Welsh coalfields |
928 | Dioxins and the River Doe Lea : plain English report |
929 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
930 | Narrowboats on the Thames : useful hints and tips |
931 | Locks and weirs on the river Thames : how do they work? |
932 | Fishery survey of the Bridgwater and Taunton Canal |
933 | The quality of rivers and estuaries in Northumbria region 1990 |
934 | A guide to sustainable urban drainage : protecting the quality of our environment |
935 | Air dispersion climate from the Castle Cement works at Ribblesdale |
936 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
937 | Pesticide residues in fish taken from the Newlyn River (1992) |
938 | A Review Of The Impact Of Microbiological Contaminants In Groundwater |
939 | Doe Lea restoration study : the work of WRc |
940 | Environmental screening for the Merseyside objective 1 programme : environmental screening guidelines |
941 | The NRA in business : annual review and summary accounts 1993-94 |
942 | Environmental statement for the River Wandle flood alleviation scheme contract one (C1) |
943 | Cyanobacteria (blue-green algae) in the south west region 1989 |
944 | Toxic blue-green algae : a report by the National Rivers Authority |
945 | Investigation of salinity in the river Thurne catchment of North East Norfolk |
946 | Water quality investigations in the Newlyn river catchment |
947 | Investigations of discharges into the River Lemon at Newton Abbot |
948 | INP-integrated North Sea programme : workshop 14-15th May 1992, Rijkswaterstaat,The Hague |
949 | Conservation and recreation : the Wye challenge : volume 2 : technical appendices |
950 | Artificial recharge to groundwater in the Otter valley |