Crane and Griffin, 1960, 1968: 82

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
M-741 20WN1 (Fort Wayne Mound) MI 800 ± 75 -25.0
M-1843 20WN1 (Fort Wayne Mound) MI 1300 ± 120 -19.0