![France (1899). Barrois, Charles. A Sketch of the Geology of Central Brittany . London: GA. Preprinted guide for GA Whitsuntide Excursion, 1899.](http://geolmaps.com/cdn/shop/files/Brittany_{width}x.jpg?v=1701901625)
France (1899). Barrois, Charles. A Sketch of the Geology of Central Brittany . London: GA. Preprinted guide for GA Whitsuntide Excursion, 1899.
France (1899). Barrois, Charles. A Sketch of the Geology of Central Brittany . London: Geologists’ Association. Preprinted guide for GA Whitsuntide Excursion, 1899. Pp. 101-132. PB, stapled pages with library stamp to cover. Worn, age-toned but clean. In fair condition.