Extended Data Fig. 3: Historical longitudinal section across the Bété I excavation.
From: Humans in Africa’s wet tropical forests 150 thousand years ago
Longitudinal section across the Bété I excavation area (Steps 1–3), and the cleaned Quarry wall (Steps 4–6) and Test Pit 1 (Step 7), redrawn from Figure 6 in ref. 21, differentiating the Terre de Barre deposits of Units A-D and highlighting the steps re-examined in this study (Steps 1–4) and the lowermost artefact bearing level at 4.3 m.
