Tree-ring measurements of Picea mariana (Black spruce) from sample EASTMPLA-292
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Species PCMA; No of rings 127; Begin 1862; End 1988
物种PCMA;年轮数目:127;起始年份:1862;终止年份:1988

Species PCMA; No of rings 127; Begin 1862; End 1988
物种PCMA;年轮数目:127;起始年份:1862;终止年份:1988