Wales North 1925. Geological Map of the Rhobell Fawr District, colour
Wales North 1925. Geological Map of the Rhobell Fawr District, colour printed folded map at 1:31,680 (2 ins =1mile) 38 x 28.5cm, in ‘The Geology of the Rhobell Fawr District (Merioneth).’ extract from Quarterly Journal of the Geological Society, v.81. 1925. By Alfred K. Wells. Pp.463-538. Map and text in very good condition.