Tree-ring measurements of Picea mariana (Black spruce) from sample NONAMPLA-222
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Species PCMA; No of rings 232; Begin 1757; End 1988
物种PCMA;年轮数量:232;起始年份:1757;结束年份:1988

Species PCMA; No of rings 232; Begin 1757; End 1988
物种PCMA;年轮数量:232;起始年份:1757;结束年份:1988