Wales North 1925. Geological Map of Cader Idris, colour

printed folded map at 1:31,680 (2 ins =1mile) 37 x 50.5cm, in ‘The Geology of the Cader Idris Range (Merioneth).’ extract from Quarterly Journal of the Geological Society, v.81. 1925. By Arthur H Cox. Pp.539-594. Map and text in very good condition.