Tree-ring measurements of Picea glauca (White spruce) from sample PROVIPGL-131
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Species PCGL; No of rings 100; Begin 1880; End 1979
物种:PCGL;年轮数量:100;起始年份:1880;终止年份:1979

Species PCGL; No of rings 100; Begin 1880; End 1979
物种:PCGL;年轮数量:100;起始年份:1880;终止年份:1979