1 | An investigation into the water quality of the River Waldon during wet weather |
2 | Investigation of the environmental impact of Coombe Farm on the Clapton Stream January 1992 |
3 | An investigation into high concentrations of atrazine in surface waters and the increase in maize production in the Otter valley |
4 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
5 | The disposal of sheep dip waste (R and D Report 11) : effects on water quality |
6 | A study to investigate and propose remedies for river quality problems in the Madford catchment |
7 | Torridge data report : biological monitoring of organic inputs to the study catchments using rapid biological assessment keys |