Tree-ring width from historical object sample 6057B/13M, Netherlands, Groningen
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资源简介：
Species: not given; No of rings: 136; first year: 1398; end year: 1534; Pith: not applicable; Heartwood: absent; Sapwood: absent; Number of sapwood rings: 0; Last ring under bark: absent
创建时间：
2025-10-29
