Graham et al., 1983

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
ISGS-491 14545 ± 75 -25.0
ISGS-492 13220 ± 100 -25.0
ISGS-501 12060 ± 100 -25.0
ISGS-502 14080 ± 150 -25.0
ISGS-504 13820 ± 80 -25.0
ISGS-505 13360 ± 100 -25.0
ISGS-610 13070 ± 90