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Hominid Trackway at Laetoli (1992–1998) Francesca Piqué of the GCI readheres fragments of tuff (hardened volcanic ash) to trackway. Photo: Angelyn Bass. |
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Hominid Trackway at Laetoli (1992–1998) Francesca Piqué of the GCI readheres fragments of tuff (hardened volcanic ash) to trackway. Photo: Angelyn Bass. |
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