Mattley, Charles Alfred. (1936). ‘The 50-Ft. Terrace of Southern Lleyn’, fold out b/w geological map, 1:31,3680
Mattley, Charles Alfred. (1936). ‘The 50-Ft. Terrace of Southern Lleyn’, fold out b/w geological map, 1:31,3680 (2”=1 mile), 22x23cm, from ‘A 50-foot Coastal Terrace and other Late-Glacial Phenomena in the Lleyn Peninsula, [N. Wales]’ offprint from the Proceedings of the Geologists Association. v.67, pt.3, pp.221-233 + 2 photographic plates. In pale blue paper cover with signature of previous owner. Map and text age-toned, clean. In very good condition.