Sheet memoir 51 and part of 52 (1930). Richey, J. E., Thomas, H.H. et al. The Geology of Ardnamurchan, North-west Mull and Coll. Memoirs Geological Survey Scotland. Edinburgh: HMSO. 1stSheet memoir 51 and part of 52 (1930). Richey, J. E., Thomas, H. H. et al. The Geology of Ardnamurchan, North west Mull and Coll. Memoirs of the Geological Survey, Scotland. Edinburgh: HMSO. 1st edition, viii+ 393 + iv pp. + map in pocket. Hardback, original dark blue cloth covered embossed boards with gilt crest on cover and lettering to spine. Binding sound, minor tears to top and base of spine otherwise, minimal shelf wear. Very slight foxing to