XML-file of tree-ring width from historical object 5777B@en
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资源简介：
Species: Quercus species; No of rings: 101; first year: 1680; end year: 1781; Pith: not applicable; Heartwood: complete; Sapwood: incomplete; Number of sapwood rings: 33; Last ring under bark: absent
创建时间：
2026-04-20
