Lab number Site Province / State Normalized age δ13C (per mil)
ISGS-3379 33WA2 (Fort Ancient) OH 1170 ± 130
ISGS-338 11GE4 (Koster Mounds) IL 7020 ± 120 -25.0
ISGS-3380 33WA2 (Fort Ancient) OH 2040 ± 160
ISGS-3381 33WA2 (Fort Ancient) OH 1920 ± 170
ISGS-3383 19660 ± 190
ISGS-3384 18670 ± 170
ISGS-3406 11MS1348 (CB-North) IL 4000 ± 90 -24.3
ISGS-3422 11MS1348 (CB-North) IL 3190 ± 330 -24.5
ISGS-3432 3060 ± 70
ISGS-3438 4390 ± 140
ISGS-3439 13CY2 (Gillett Grove) 460 ± 70 -24.8
ISGS-3440 11WO351 (M. Adams #1) IL 1010 ± 70 -25.8
ISGS-3441 11WO354 (Valhall site) IL 1130 ± 70 -26.5
ISGS-3442 11WO361 (Tilly) IL 940 ± 100 -24.4
ISGS-3443 11WO354 (Valhall site) IL 840 ± 70 -25.4
ISGS-3444 11WO108 (Charles Keeshin #3) IL 1180 ± 90 -24.9
ISGS-3460 18560 ± 190
ISGS-348 14050 ± 75
ISGS-3494 12PE929 5860 ± 90
ISGS-3495 12PE929 4000 ± 70
ISGS-35 23BE125 (Rodger's Shelter) MO 6300 ± 590
ISGS-3500 12PE929 5670 ± 100
ISGS-3501 12PE929 4030 ± 70
ISGS-3505 12PE929 4590 ± 130
ISGS-3507 12PE929 5760 ± 240
ISGS-3530 11A (Deer Track) IL 1080 ± 70
ISGS-3531 1130 ± 70
ISGS-3532 11PK? (Joe Gay Mounds) IL 1290 ± 70
ISGS-3533 11PK? (Joe Gay Mounds) IL 1080 ± 90
ISGS-3534 1160 ± 80