Crane and Griffin, 1972: 156

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
M-2211 23BE146 (Boney Spring) MO 13700 ± 600 -25.0
M-2145 20MD-? (Bailer mammoth) MI 24080 ± 4000 -20.0
M-2361 20MD-? (Bailer mammoth) MI 3310 ± 160 -25.0