Lab number Site Province / State Normalized age δ13C (per mil)
ISGS-220
ISGS-2208 11F53 (Tree Row) IL 660 ± 70
ISGS-2209 11F53 (Tree Row) IL 4360 ± 90
ISGS-221
ISGS-2217 45900 -26.7
ISGS-222
ISGS-223
ISGS-2239 11F53 (Tree Row) IL 4390 ± 100
ISGS-224
ISGS-2240 11F53 (Tree Row) IL 4820 ± 150
ISGS-2245 15BT10 (Read) KY 3470 ± 200
ISGS-2246 15BT10 (Read) KY 3400 ± 100
ISGS-2249 15BT10 (Read) KY 3350 ± 70
ISGS-225
ISGS-2255 23PL4 (Young) MO 1555 ± 20
ISGS-2258 23PL43 (Aker/Aring Pearl Site) MO 1915 ± 20
ISGS-226
ISGS-2264 20BE132 (Wymer-West Knoll) MI 570 ± 70
ISGS-227
ISGS-228
ISGS-229 11GE4 (Koster Mounds) IL 7910 ± 100 -25.0
ISGS-2290 46200 ± 2100 -26.4
ISGS-2291 35480 ± 800 -27.6
ISGS-2292 35860 ± 850 -26.89
ISGS-2293 35300 -28.9
ISGS-2294 26090 ± 710 -26.9
ISGS-2295 11PK867 (Booker Mound) IL 530 ± 70
ISGS-2296 11PK867 (Booker Mound) IL 620 ± 70
ISGS-2297 15McL12 (Kirkland) KY 3830 ± 80 -22.0
ISGS-2298 15McL12 (Kirkland) KY 6600 ± 80 -22.0