Tree-ring width of Quercus species from historical object sample 6672B/21M, Netherlands, Alkmaar
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Species: Quercus species; No of rings: 73; first year: 1381; tree-death year: 1454; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
创建时间：
2025-11-03
