gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1980.043.329.30 Book Reviews The Geology of Snowdonia and Llŷn: an Outline and Field Guide Jones M. E. 3 1980 43 329 688 688 Roberts B. The Geology of Snowdonia and Llŷn: An Outline and Field Guide Bristol Adam Hilger Ltd. 1979 30 figs., 31 geol. sketchmaps, 1 geol. map (1:70,000). Price £ 15.00 Copyright © 1980, The Mineralogical Society 1980