EXCAVATIONS in 1957 and 1958 at the Isimila prehistoric site, in Tanzania1, sampled Acheulian occurrences in horizons at various levels in the Isimila Beds which are approximately 18 m thick. No significant breaks were observed in the sedimentary sequence, although there are numerous local hiatuses. ?? 1972 Nature Publishing Group.
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Uranium-series dating of bone from the Isimila prehistoric site, Tanzania