| 78. Thompson, A., Easton, P.H., Hine, P.D. and Huxley, C.L. (1998) "Reducing the Effects of Surface Mineral Workings on the Water Environment: A Guide to Good Practice", Report to the Department of the Environment, Transport and the Regions. Symonds Travers Morgan, East Grinstead (212pp). Obtainable from Symonds Group Limited: 01342 327161; alan.thompson@symonds-group.com |