Strahan, Aubrey et al. (1915). The Coals of South Wales with Special Reference to the Origin and Distribution of Anthracite. London, 2nd edition.Strahan, Aubrey et al. (1915). The Coals of South Wales with Special Reference to the Origin and Distribution of Anthracite. London: Geological Survey of England and Wales (now BGS), 2nd edition. 91+ vi pp. + 10 foldout b w plates 8 maps at 1: 253,440, 1 sections, 1 chart. Hardback. red cloth covered boards with gilt lettering to spine. Library binding of original paperback. Binding sound, negligible wear, clean text, library stamp on title page,