Congo and Ruanda Burundi. (1955). Carte Géologique du Congo Belge et du Ruanda-Urundi. Liège: Royaume de Belgique, Ministère des Colonies. Four quarter folded sheets, each 70 x 72.5 cm folding to 30 x 21 cm, colour lithographs, 1:2,000,000 scale. Together with Notice Explicative de la Carte d’Ensemble, 4pp., Légende Générale, 4^th edition, 40 pp.,  and  Légende Générale, Additions et Modifications, 4^th edition

All fitting into accompanying envelope. All maps in pristine condition, bright, clean, unmarked apart from two library stamps on back of each map. Accompanying reports are as pristine with two light library stamps on covers. The envelope is worn with tears at corners, again with two light library stamps on front. Overall in very good condition ranging from good for envelope to near fine for maps and reports.

The base survey is dated 1947, the map was completed in 1950 two reports published in 1951 and the additions in 1955.