Author: Soubeiran, A., 1897.:
Title: Bassin houiller du Pas-de-Calais. Carte d'ensemble à l'échelle de 1:40,000.
Description: [Paris:] Ministère des Travaux Publics, Service de Topographie Souterraine, 1897. Lithographed map with geological outline colouring, 7 coloured sections printed in corner, measuring 77 x 162 cm, dissected and mounted on linen, folding back to 8vo size. Very good.

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