| Lab number |
Site |
Province / State |
Normalized age |
δ13C (per mil) |
| ISGS-1020 |
11GE4 (Koster Mounds) |
IL |
1120 ± 70 |
-26.3 |
| ISGS-1024 |
11GE4 (Koster Mounds) |
IL |
1330 ± 70 |
-26.6 |
| ISGS-1128 |
11JY60 (Healy or Healey) |
IL |
880 ± 80 |
-25.9 |
| ISGS-1207 |
11ST123 (Smiling Dan) |
IL |
1100 ± 70 |
-25.5 |
| ISGS-1401 |
11JY70 (Macoupin) |
IL |
1530 ± 70 |
-25.3 |
| ISGS-1402 |
11JY70 (Macoupin) |
IL |
1450 ± 70 |
-25.2 |
| ISGS-1405 |
11JY70 (Macoupin) |
IL |
1450 ± 70 |
-25.7 |
| ISGS-1408 |
11JY70 (Macoupin) |
IL |
1480 ± 70 |
-25.7 |
| ISGS-1496 |
11JY70 (Macoupin) |
IL |
1440 ± 80 |
-26.4 |
| ISGS-1694 |
11PK477 (Ellege) |
IL |
1330 ± 70 |
-26.2 |
| ISGS-1759 |
11PK477 (Ellege) |
IL |
1440 ± 70 |
-25.9 |
| ISGS-1764 |
11PK477 (Ellege) |
IL |
1570 ± 70 |
-26.0 |
| ISGS-1765 |
11PK751 (Axedental) |
IL |
1550 ± 70 |
-26.5 |
| ISGS-1767 |
11PK751 (Axedental) |
IL |
1680 ± 70 |
|
| ISGS-1847 |
11ST123 (Smiling Dan) |
IL |
1130 ± 70 |
-25.7 |
| ISGS-1871 |
11PK751 (Axedental) |
IL |
1560 ± 70 |
-25.0 |
| ISGS-3182 |
11JY290 (O'Donnell) |
IL |
980 ± 70 |
-25.8 |
| ISGS-3183 |
11JY290 (O'Donnell) |
IL |
1100 ± 70 |
-25.4 |
| ISGS-843 |
11ST123 (Smiling Dan) |
IL |
1050 ± 70 |
-25.8 |
| ISGS-856 |
11ST123 (Smiling Dan) |
IL |
1110 ± 70 |
-26.0 |
| ISGS-899 |
11ST144 (Campbell Hollow) |
IL |
1240 ± 70 |
-25.9 |
| ISGS-918 |
11JY70 (Macoupin) |
IL |
1390 ± 70 |
-26.6 |
| ISGS-947 |
11ST144 (Campbell Hollow) |
IL |
1250 ± 70 |
-25.9 |
