Samples

Lab number Site Province / State Normalized age δ13C (per mil)
ISGS-271 12990 ± 120
ISGS-2712 12DA869 (Whisman) IN 2580 ± 70
ISGS-2728 13LA12 (Gast Farm) IA 1600 ± 70 -25.2
ISGS-2730 13LA12 (Gast Farm) IA 1650 ± 70 -25.4
ISGS-2747 11LS1 (Utica Mounds) IL 2010 ± 80
ISGS-2757 20820 ± 210
ISGS-2758 20800 ± 250
ISGS-276 11MS34 (Cahokia Mounds) IL 860 ± 80 -25.0
ISGS-2760 20800 ± 210
ISGS-2761 20800 ± 200
ISGS-2762 20850 ± 200
ISGS-2763 20770 ± 210
ISGS-2764 19440 ± 180
ISGS-2768 39400 ± 860
ISGS-2769 20340 ± 170
ISGS-2770 47200 ± 2600
ISGS-2774 49400 ± 2800
ISGS-2776 45600 ± 1900
ISGS-2792 11WI213 (New Lenox) IL 650 ± 70
ISGS-2794 11WI213 (New Lenox) IL 770 ± 70
ISGS-2795 11WI213 (New Lenox) IL 720 ± 70
ISGS-28 21300 ± 200
ISGS-280 11MS34 (Cahokia Mounds) IL 1050 ± 80 -25.0
ISGS-2806 11WI654 IL 510 ± 70
ISGS-2807 11CK2 (Robinson Reserve) IL 790 ± 70
ISGS-2808 11WO23 (Keeshin Farm) IL 890 ± 80
ISGS-281 11MS34 (Cahokia Mounds) IL 1080 ± 80 -25.0
ISGS-2810 11MS1353 (Cunningham) IL 1450 ± 90
ISGS-2811 11MS1353 (Cunningham) IL 1470 ± 90
ISGS-2812 11MS1353 (Cunningham) IL 1210 ± 80