Tree-ring measurements of Picea rubens (Red spruce) from sample RIDG-102
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Species PCRU; No of rings 45; Begin 1932; End 1976
物种PCRU(Species PCRU);年轮数:45;起始年份:1932;结束年份:1976

Species PCRU; No of rings 45; Begin 1932; End 1976
物种PCRU(Species PCRU);年轮数:45;起始年份:1932;结束年份:1976