Crane And Griffin, 1972: 211

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
M-2139 3AR40 (Dumond) AR 990 ± 150 -25.0
M-2140 3AR40 (Dumond) AR 790 ± 110 -25.0
M-2141 3AR40 (Dumond) AR 800 ± 110 -25.0
M-2144 3AR40 (Dumond) AR 430 ± 100 -25.0