XML-file of tree-ring width from historical object 6715B@en
收藏数据链接：
官方服务：
资源简介：
Species: Quercus species; No of rings: 73; first year: 1643; tree-death year: 1716; Pith: not applicable; Heartwood: complete; Sapwood: complete; Number of sapwood rings: 19; Last ring under bark: present
创建时间：
2026-04-14
