Peterson (1982) Preliminary surficial geologic map of the Iron River 1 degree by 2 degree Quadrangle,Michigan and Wisconsin. United States Geological Survey Open File Report, 82–301 per Dalton et al. 2020-An Updated Radiocarbon-Based Ice Margin….

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
W-1540
W-1541