Carte et profils géognostiques du bassin du Bas Boulonnais, 1828

Carte et profils géognostiques du bassin du Bas Boulonnais, 1828, by Rozet. Scale 1:160,000 approx. Hand coloured engraving on light weight paper, 41.5 x 32 cm. Coastal profile parallels coast with detailed sections of numbered locations. Light stains of old tape repairs in NW corner extending into profiles, left margin trimmed to map border. In fair to good condition.