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Wales Mid- 1939. Map Showing the General Distribution of the Fossil Zones n the Ordovician Rocks of the Llandrindod District, b&w

Wales Mid- 1939. Map Showing the General Distribution of the Fossil Zones n the Ordovician Rocks of the Llandrindod District, b&w

Geological Society of London

Wales Mid- 1939. Map Showing the General Distribution of the Fossil Zones n the Ordovician Rocks of the Llandrindod District, b&w printed folded map at 1:31,680 (2 ins =1mile) 21 x 32cm, in ‘The Stratigraphy and Faunal Succession in the Ordovician Rocks of the Builth-Llandrindod Inlier, Radnorshire’ extract from Quarterly Journal of the Geological Society, v95. 1939. By Gertrude L Elles. Pp.383-445. Map and text in very good condition.