Outwash

GBHI

  • Older Dryas spruce forest

These are samples from the collection that Hugh Ilits made in 1958 from an excavation along Nicolet Road in Green Bay, WI. The wood had been stored at the University of Wisconsin-Madison. 

Crossdated tree-ring series of this site contributed to a 510-year composite tree-ring record of the Green Bay area overlapping tree rings from five locations dated to the Older Dryas (see plot below).

 

GB

• Climate tree-ring proxies near Preboreal/Late Younger Dryas transition, from Upper Peninsula, Michigan

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