Lab number Site Province / State Normalized age δ13C (per mil)
ISGS-2621 19410 ± 140
ISGS-2623 19990 ± 450 -19.4
ISGS-2624 19500 ± 270
ISGS-2625 19640 ± 200
ISGS-2640 19120 ± 160
ISGS-2641 19660 ± 180
ISGS-2642 19780 ± 170
ISGS-2643 19830 ± 190
ISGS-2644 19080 ± 170
ISGS-2645 19800 ± 160
ISGS-2646 19620 ± 150
ISGS-2647 19910 ± 190
ISGS-2648 19660 ± 160
ISGS-2649 19770 ± 240
ISGS-2652 19670 ± 230
ISGS-2654 47LC95 (Tremaine) WI 450 ± 90
ISGS-2655 47LC95 (Tremaine) WI 1360 ± 70
ISGS-266
ISGS-2661 47LC95 (Tremaine) WI 350 ± 70
ISGS-2662 47LC95 (Tremaine) WI 470 ± 90
ISGS-2663 47LC95 (Tremaine) WI 610 ± 80
ISGS-2665 47LC95 (Tremaine) WI 590 ± 70
ISGS-2666 47LC95 (Tremaine) WI 630 ± 80
ISGS-267-A 23BO-? (Brynjulfson Cave 1) MO 21805 ± 510 -10.0
ISGS-267-B 23BO-? (Brynjulfson Cave 1) MO -20.0
ISGS-267A 23BO-? (Brynjulfson Cave 1) MO 21805 ± 510 -10.0
ISGS-267B 23BO-? (Brynjulfson Cave 1) MO -20.0
ISGS-269 12DA9 (Prairie Creek) IN 2540 ± 80 -25.0
ISGS-27 19500 ± 200
ISGS-270 12DA9 (Prairie Creek) IN 3540 ± 90 -25.0