Tree-ring measurements of Picea engelmannii (Engelmann spruce) from sample WH...
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Species PCEN; No of rings 148; Begin 1836; End 1983
物种PCEN;环数(No of rings)148;起始年份1836;终止年份1983

Species PCEN; No of rings 148; Begin 1836; End 1983
物种PCEN;环数(No of rings)148;起始年份1836;终止年份1983