Lab number Site Province / State Normalized age δ13C (per mil)
ISGS-696 11S642 (Dohack) IL 1130 ± 80 -24.4
ISGS-697 11MO552N (Go-Kart North) IL 4130 ± 80 -25.6
ISGS-6970 1090 ± 70 -14.8
ISGS-6971 2930 ± 70 -14.8
ISGS-6972 8020 ± 70 -17.3
ISGS-6973 4870 ± 70 -17.1
ISGS-6974 8600 ± 80 -20.6
ISGS-6975 1570 ± 70 -15.8
ISGS-6976 1620 ± 70 -11.1
ISGS-6978 3920 ± 70 -14.3
ISGS-6979 7650 ± 190 -16.7
ISGS-698 11MO552N (Go-Kart North) IL 4100 ± 80 -25.6
ISGS-6980 10000 ± 70 -17.5
ISGS-699 11MO594 (Carbon Dioxide) IL 970 ± 80 -25.5
ISGS-6990 8130 ± 70 -19.5
ISGS-6992 11MS1960 (Husted) IL 1820 ± 70 -24.8
ISGS-6993 11MS1960 (Husted) IL 1530 ± 70 -25.2
ISGS-6994 11MS1960 (Husted) IL 1620 ± 70 -25.4
ISGS-6995 11MS1960 (Husted) IL 1810 ± 70 -26.0
ISGS-7
ISGS-70 23BO-? (Brynjulfson Cave 1) MO 9520 ± 760 -20.0
ISGS-7023 11MD1208 (Merciless Ridge) IL 3410 ± 70 -25.1
ISGS-7024 11MD984 (John Gage) IL 3410 ± 70 -25.3
ISGS-7028 25CC384 NE 864 ± 70 -16.4
ISGS-7029 25CC384 NE 10030 ± 70 -18.7
ISGS-703 11MO200 (Truck #7) IL 1720 ± 80 -25.6
ISGS-704 11S642 (Dohack) IL 1230 ± 80 -26.4
ISGS-705 11MS595 (BBB Motor) IL 880 ± 120 -25.9
ISGS-7053 11SY369 IL 1050 ± 70 -26.1
ISGS-7054 11SY369 IL 900 ± 70 -25.4