Cartes des giˆtes mine´raux de la Francea`1/500.000: Four sheets have been published up to today: Rouen, Nantes, Lyon and Marseille, each accompanied by explanatory notes in the form of tables listing all mineral deposits of the particular sheet and their principal characteristics. A total of eight sheets are planned. Price per sheet plus notes FF 100.00. Subscription price (8 sheets) FF 700.00. Published by B.R.G.M., Orlea´ns, France