Author: Sampelayo, P.H., 1944.:
Title: Datos para el estudio de la hojas del Mapa Geologico 1:50.000 Gijon [y] Oviedo (29).
Description: Madrid: Instituto Geologico de España, 1944. 8vo, 24cm. Pp. 121,[27], many figs. and photos of fossils on 17 plates, 1 fold. table, 2 fold. sections, 2 sections in text. Orig. wrappers. Very good.

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