Wales Mid- 1949. 3 maps: Area between Llanelwedd and Carneddau Fault, and Area between Carneddau Fault and Wern-to Fault, and Area Between Wern-to Fault and Cwm-Amliw Fault , all colour
Wales Mid- 1949. 3 maps: Area between Llanelwedd and Carneddau Fault, and Area between Carneddau Fault and Wern-to Fault, and Area Between Wern-to Fault and Cwm-Amliw Fault , all colour printed folded maps at 1:4,800 (1 in =400 ft) 31 x 23cm and 20.5 x 33 and 38 x 26 cm respectively, in ‘An Early Ordovician Shore-line in Radnorshire near Builth Wells’ extract from Quarterly Journal of the Geological Society, v105. 1949. By Owen Thomas Jones and Wm J Pugh. Pp.65-99. Maps and text in very good condition.