1 | Environmental protection fisheries control : River Okement fish mortality, 16.09.89 |
2 | Impact assessment of Meldon quarry on water quality in the West Okement river |
3 | A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89 |
4 | Impact assessment of acidic and metalliferous pollution in the Fowley Stream |
5 | Assessment of the impact of discharges from Meldon Quarry on the water quality of the West Okement River |