Lab number Site Province / State Normalized age δ13C (per mil)
ISGS-A1200 47JE379 (Koshkonong Creek Village) WI 1275 ± 20 -25.4
ISGS-A1201 11K52 (Washington Irving) IL 655 ± 25
ISGS-A1202 11K52 (Washington Irving) IL 800 ± 20
ISGS-A1204 11K52 (Washington Irving) IL 810 ± 25
ISGS-A1205 11K52 (Washington Irving) IL 650 ± 20
ISGS-A1206 11K52 (Washington Irving) IL 670 ± 25
ISGS-A1208 11WI? (Joliet Arsenal) IL 285 ± 20 -24.1
ISGS-A1209 11WO? (Macktown) IL 2255 ± 20 -29.6
ISGS-A1211 47JE833 (Schmeling) WI 785 ± 20
ISGS-A1219 47DR80 (Richter) WI 1640 ± 20
ISGS-A1220 47DR80 (Richter) WI 1745 ± 25
ISGS-A1221 47DR80 (Richter) WI 1985 ± 20
ISGS-A1222 47DR80 (Richter) WI 1645 ± 20
ISGS-A1237 47DA3 (Outlet) WI 1920 ± 40
ISGS-A1238 47JE904 (Crescent Bay Hunt Club) WI 785 ± 15
ISGS-A1241 47JE1 (Aztalan) WI 960 ± 20
ISGS-A1242 47JE904 (Crescent Bay Hunt Club) WI 690 ± 15
ISGS-A1243 47JE904 (Crescent Bay Hunt Club) WI 745 ± 20
ISGS-A1244 47JE833 (Schmeling) WI 765 ± 15
ISGS-A1246 47JE904 (Crescent Bay Hunt Club) WI 990 ± 20
ISGS-A1247 47JE1 (Aztalan) WI 955 ± 15
ISGS-A1249 47JE1 (Aztalan) WI 1080 ± 20
ISGS-A1250 47JE1 (Aztalan) WI 1180 ± 20
ISGS-A1251 47JE1 (Aztalan) WI 1230 ± 20 -23.5
ISGS-A1252 47JE1 (Aztalan) WI 895 ± 20
ISGS-A1253 47JE1 (Aztalan) WI 1045 ± 15
ISGS-A1256 15BB1 (LeBus Circle) KY 2800 ± 20
ISGS-A1258 15BB1 (LeBus Circle) KY 160 ± 20
ISGS-A1262 15BB1 (LeBus Circle) KY 365 ± 25
ISGS-A1263 11MS1124 (D. Hitchens) IL 905 ± 20 -8.0