Lab number Site Province / State Normalized age δ13C (per mil)
ISGS-1847 11ST123 (Smiling Dan) IL 1130 ± 70 -25.7
ISGS-185
ISGS-1852 11PK500 (Napoleon Hollow) IL 1930 ± 70
ISGS-1862 11MD817 (Carter Creek) IL 1680 ± 70 -25.0
ISGS-1863 11MD817 (Carter Creek) IL 1690 ± 70
ISGS-1864 11GE453 (Weitzer) IL 1630 ± 70 -25.3
ISGS-187
ISGS-1870 11C383 (Mortland Island) IL 1470 ± 70 -25.4
ISGS-1871 11PK751 (Axedental) IL 1560 ± 70 -25.0
ISGS-1872 29500 ± 1000
ISGS-1874 11C383 (Mortland Island) IL 1610 ± 70 -25.4
ISGS-1875 11GE453 (Weitzer) IL 1620 ± 70 -24.9
ISGS-189
ISGS-1891 11PK? (Joe Gay Mounds) IL 4040 ± 140 -27.6
ISGS-1892 11PK? (Joe Gay Mounds) IL 10980 ± 270 -28.1
ISGS-1893 11PK? (Joe Gay Mounds) IL 3080 ± 180 -25.0
ISGS-1894 11PK? (Joe Gay Mounds) IL 7030 ± 280 -28.3
ISGS-1899 DolniVestoniceIIAgglomeration3 22630 ± 420 0.0
ISGS-19
ISGS-1901 Milovice 22080 ± 530 0.0
ISGS-191 11V? (Indian Springs Mound) IL 960 ± 75 -25.0
ISGS-1919 11LS? (Ottawa Silica Quarry) IL 13840 ± 250
ISGS-1920 11LS? (Ottawa Silica Quarry) IL 13730 ± 160
ISGS-1921 11LS? (Ottawa Silica Quarry) IL 13480 ± 120
ISGS-193 11V? (Indian Springs Mound) IL 950 ± 90 -25.0
ISGS-1938 11MO140 (Greenhouse) IL 1030 ± 180 -25.6
ISGS-1939 11MG91 (Triple Ho) IL 1040 ± 70
ISGS-1943 11MS866 (Widman) IL 1290 ± 70
ISGS-1944 11MS866 (Widman) IL 1250 ± 90
ISGS-1946 EnkapuneYaMuto (GtJi12) 3110 ± 70 -25.0