Opencast mining, quarrying and alluvial mining. Proceedings of a symposium organized by the Institution of Mining and Metallurgy, in co-operation with the Institution of Mining Engineers and the Institute of Quarrying, held from 16th to 19th November 1964 at Caxton Hall, Westminster, London, S.W.1.
Institution of Mining and Metallurgy (Great Britain)
London, 
1965.