Lab number Site Province / State Normalized age δ13C (per mil)
ISGS-4034 10290 ± 80 -16.0
ISGS-4035 2580 ± 70 -18.2
ISGS-4036 47JE904 (Crescent Bay Hunt Club) WI 580 ± 15 0.0
ISGS-404 11CO18 (Reed-Walker) IL 520 ± 80 -25.0
ISGS-4042 2950 ± 70 -16.2
ISGS-4055 25820 ± 310
ISGS-4056 6820 ± 80 -17.2
ISGS-4057 5660 ± 70 -25.8
ISGS-4058 6970 ± 80 -19.2
ISGS-4059 9150 ± 90 -15.6
ISGS-406 11CO18 (Reed-Walker) IL 1210 ± 80 -25.0
ISGS-4060 10710 ± 160 -18.0
ISGS-4061 5080 ± 70 -14.9
ISGS-4062 5040 ± 70 -13.6
ISGS-4063 12830 ± 100 -21.0
ISGS-4064 9490 ± 160 -19.4
ISGS-4065 5250 ± 70 -14.1
ISGS-4066 6570 ± 90 -15.2
ISGS-4067 6920 ± 110 -15.8
ISGS-4068 9430 ± 90 -17.1
ISGS-4073 3520 ± 70 -15.9
ISGS-4074 8400 ± 90 -16.7
ISGS-4077 11MO880 (Woodland Ridge) IL 1110 ± 70
ISGS-4078 11MO880 (Woodland Ridge) IL 1150 ± 70
ISGS-4082 11MO880 (Woodland Ridge) IL 1470 ± 70
ISGS-4083 23PU719 (Albertson Shelter) MO
ISGS-4085 23PU719 (Albertson Shelter) MO 900 ± 70
ISGS-4086 23PU719 (Albertson Shelter) MO
ISGS-409 10470 ± 100
ISGS-40I38 1300 ± 70 -18.7