Tree-ring measurements of Picea glauca (White spruce) from sample PETHAPGL-161
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Species PCGL; No of rings 377; Begin 1612; End 1988
物种PCGL;环数:377;起始年份:1612;终止年份:1988

Species PCGL; No of rings 377; Begin 1612; End 1988
物种PCGL;环数:377;起始年份:1612;终止年份:1988