Tree-ring chronology of Picea mariana (Black spruce) compiled from tree samples GUNISPMA

2019-11-21T15:13:39Z (GMT) by Fritz Hans Schweingruber
Species PCMA; No of trees 12; No samples 22; No of years 170; Begin 1819; End 1988; Creation date 1997-01-01

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CC BY 4.0