Tree-ring chronology of Picea mariana (Black spruce) compiled from tree sampl...
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Species PCMA; No of trees 10; No samples 20; No of years 136; Begin 1853; End 1988; Creation date 1997-01-01
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Species PCMA; No of trees 10; No samples 20; No of years 136; Begin 1853; End 1988; Creation date 1997-01-01