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. 2019 Feb 27;14(2):e0211194. doi: 10.1371/journal.pone.0211194

Fig 6. Clam garden use dates: Oldest dates from within wall or terrace, or immediately below terrace sediments at each clam garden site.

Fig 6

Radiocarbon calibrations and curve produced in OxCal 4.3 [26], IntCal 13 atmospheric and Marine 13 marine [27].