Etude du gisement de chromite de Benamevika. A set of 5 map sheets. Scale of 1:3 000. Date of publication: 1968.

A set of 5 map sheets:
1. Bemanevika, anomalies de Bouguer. Scale of 1:3 000. Date of publication: 1968.
2. Bemanevika, anomalies résiduelles. Scale of 1:3 000. Date of publication: 1968.
3. Bemanevika, carte transformée : (gradient vertical). Scale of 1:3 000. Date of publication: 1968.
4. Bemanevika, plan de position et anomalie régionale adoptée. Scale of 1:3 000. Date of publication: 1968.
5. Bemanevika, topographie. Scale of 1:3 000. Date of publication: 1968.