1 | Historic changes in the Upper River Ehen Catchment- Summary |
2 | Monitoring of the Priory storm overflow on the River Tone at Taunton : June - November 1991 and water quality investigations unit January 1992 |
3 | An investigation into the presence of high levels of cadmium in sea-water samples from Mounts Bay, Cornwall |
4 | Further monitoring of the impact of Crown Dale waste water treatment works final effluent on water quality |