Wales North 1909. Geological Map of Conway

Wales North 1909. Geological Map of Conway, black & white printed folded map at 1:21120 (3 ins =1mile) 32.5 x 31.5cm, in ‘The Relation of the Ordovician and Silurian Rocks of Conway (North wales).’ extract from Quarterly Journal of the Geological Society, v.65.May, 1909. By Gertruce Ellis. Pp.169-194. Map and text in very good condition.