451 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2001 : Environment Agency CEH Report Ref: COO 158/23 |
452 | River Bovey and Bovey minor tributaries corridor survey : October-November 1990 : a report prepared for the National Rivers Authority (South West Region) |
453 | Maidenhead, Windsor and Eton flood alleviation scheme - National Association of Flood Defence chairmen visit to the project site on 1 May 1991 |
454 | Local environment focus : local environmental issues in Wolverhampton, Dudley, Kidderminster, Wombourne, Kinver, Stourbridge, Halesowen and West Hagley : Local Environment Agency Plan (LEAP) for the West Midlands Stour : 3rd annual review December 2001 |
455 | Local environment focus : local environmental issues in and around Nottingham, Derby, Newark-on-Trent, Gainsborough, Scunthorpe and Ilkeston. : Local Environment Agency Plan (LEAP) for the Lower Trent and erewash : 2nd annual review July 2002 |