Allwood, Abigail C.
Rosing, Minik T.
Flannery, David T.
Hurowitz, Joel A.
Heirwegh, Christopher M.
Article History
Received: 21 December 2017
Accepted: 31 August 2018
First Online: 17 October 2018
Change Date: 29 November 2018
Change Type: Correction
Change Details: In Extended Data Fig. 1 of this Letter, the map showed the field-work location incorrectly; this figure has been corrected online.
Competing interests
: The authors declare no competing interests.