This is an important question of archival access, given the valuable geological data contained, and a mining company wants exclusive access to it.
No mention made in the article about the atrocities committed by the Belgians in Africa, nor of how these are reflected in the records.
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John Levin
DR Congo pushes Belgium to release millions of colonial-era documents ft.trib.al/H9QWHYh
Congolese minister met Belgian officials to discuss records mapping former colony’s mineral wealth