Samples

Lab number Site Province / State Normalized age δ13C (per mil)
ISGS-589 11S63 (Julien) IL 630 ± 80 -25.0
ISGS-5893 9740 ± 70 -17.1
ISGS-59
ISGS-590 45160
ISGS-5903 11WI5 (Fisher) IL 760 ± 70 -27.6
ISGS-5905 11HA706 (Thomas East) IL 2720 ± 70 -24.9
ISGS-591 11MT89 (Southend) IL 680 ± 80 -25.0
ISGS-592 11MT53 (Doctor's Island) IL 710 ± 80 -25.0
ISGS-5924 2100 ± 25 -25.4
ISGS-5927 3570 ± 70 -27.3
ISGS-593 41DN72 (Lewisville) TX 26610 ± 310 -25.0
ISGS-5932 11MG179 (Spoontoe) IL 1870 ± 70
ISGS-5937 11MG179 (Spoontoe) IL 1750 ± 70
ISGS-5938 11MG179 (Spoontoe) IL 1910 ± 70
ISGS-595 11S47 (Range) IL 790 ± 80 -25.0
ISGS-596 11S47 (Range) IL 860 ± 130 -25.0
ISGS-5960 4670 ± 70 -15.6
ISGS-5961 8970 ± 100 -19.8
ISGS-5963 9260 ± 70 -17.1
ISGS-5977 12HR484 (Knob Creek) IN 5160 ± 90 -25.0
ISGS-5979 2470 ± 70 -14.1
ISGS-5985 10540 ± 90 -16.7
ISGS-599 11S46 (Missouri Pacific #2) IL 2540 ± 80 -25.0
ISGS-5990 10750 ± 80 -16.2
ISGS-5991 14LN344 2230 ± 70
ISGS-5992 14LN344 2210 ± 70
ISGS-6
ISGS-60
ISGS-600 11MO200 (Truck #7) IL 1860 ± 80 -25.0
ISGS-6001 40500 ± 1200