Lab number Site Province / State Normalized age δ13C (per mil)
ISGS-44 20910 ± 240
ISGS-440 11AX? (Kohler) IL 610 ± 90 -25.0
ISGS-4421 9160 ± 70 -16.1
ISGS-4426 10800 ± 70 -19.9
ISGS-4428 9800 ± 70 -17.4
ISGS-4442 10580 ± 70 -17.4
ISGS-4443 11090 ± 70 -17.3
ISGS-4464 SUNK-1951 (Szeleta) 42960 ± 860 -25.0
ISGS-4487 13HA387 (Allen Fan) 2570 ± 70
ISGS-45
ISGS-4503 3IN1 (Greenbrier)
ISGS-4504 3IN1 (Greenbrier)
ISGS-451 10590 ± 250
ISGS-4518 3IN1 (Greenbrier)
ISGS-4519 3IN1 (Greenbrier)
ISGS-4523 23CY562 (Elley) MO 3370 ± 70 -25.0
ISGS-4525 23CY562 (Elley) MO 3450 ± 70 -25.2
ISGS-4527 23JE764 (Pine Ford) MO 2790 ± 100 -24.0
ISGS-4528 23JE764 (Pine Ford) MO 2400 ± 70 -24.6
ISGS-4533 23JE764 (Pine Ford) MO 2910 ± 70 -26.4
ISGS-4534 23JE764 (Pine Ford) MO 2370 ± 70 -25.7
ISGS-4543 23CY227 (Callaway Farms) MO 2570 ± 70 -25.4
ISGS-4544 23CY227 (Callaway Farms) MO 2620 ± 70 -25.2
ISGS-4545 23JE764 (Pine Ford) MO 3050 ± 80 -24.8
ISGS-4546 23CY227 (Callaway Farms) MO 2640 ± 70 -25.4
ISGS-4547 23CY227 (Callaway Farms) MO 2550 ± 70 -25.0
ISGS-4548 23CY227 (Callaway Farms) MO 2540 ± 70 -25.4
ISGS-4549 23CY227 (Callaway Farms) MO 2650 ± 80 -25.2
ISGS-4550 23CY227 (Callaway Farms) MO 2550 ± 70 -25.7
ISGS-4551 23JE764 (Pine Ford) MO 1200 ± 70 -28.4