1 | River water quality in the Midlands 1997 |
2 | River water quality in the Midlands 1998 |
3 | An estimated map of NO2 concentration in the Midlands region : a report produced for the Environment Agency |
4 | National marine baseline survey 1995 : littoral cell 11 : Great Orme to the Solway Firth |
5 | River Avon, Bath : aesthetic study of riverbanks through the urban area of Bath : final report |