Crane and Griffin, 1972: 164

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
M-2230 20AE56 (Allegan Dam) MI 740 ± 100 -25.0
M-2231 20AE56 (Allegan Dam) MI 640 ± 100 -25.0
M-2232 20AE58 (46th Street) MI 810 ± 100 -25.0
M-2233 20AE58 (46th Street) MI 910 ± 100 -25.0
M-2236 20AE58 (46th Street) MI 240 ± 100 -25.0