Author: HENRY, LE GENERAL J.
Title: Etude Geologique et Rechershes Minieres Dans La Contree Situee Entre Ponthierville et Le Lac Kivu. (Text in French).
Description: First Edition; Roy 8vo; pp. 51; one folding map in text, two large folding maps at rear, bound in original stiff printed wrappers, good copy. Bruxelles; Royale De Belgique; 1934.

Keywords: mining africa