Lab number Site Province / State Normalized age δ13C (per mil)
GX-1990 13AM200 (Lane Enclosure) IA
GX-1991 13AM200 (Lane Enclosure) IA
GX-1992 13AM200 (Lane Enclosure) IA
GX-1993 13AM200 (Lane Enclosure) IA
GX-1994 13AM201 (Grant) IA
GX-1995 13AM201 (Grant) IA
GX-1996 13AM201 (Grant) IA
GX-1997 13AM103 (Hartley Fort) IA
GX-1998 13AM103 (Hartley Fort) IA
GX-19997 ME29.9 (Turner Farm) ME 3470 ± 60
GX-19997AMS ME29.9 (Turner Farm) ME 3470 ± 60
GX-2 11JP135 (Dhom) IL
GX-2000 13AM103 (Hartley Fort) IA
GX-20019 ME15.51 (Ormsby) ME 9800 ± 375
GX-20019AMS ME15.51 (Ormsby) ME 8586 ± 115
GX-2002 13AM103 (Hartley Fort) IA
GX-20027 45FR201 (McGregor Cave) WA 1970 ± 70
GX-2003 13ML119 (Lincoln I) IA
GX-2004 13ML119 (Lincoln I) IA
GX-2005 13ML124 (Gamble) IA
GX-2006 13ML124 (Gamble) IA
GX-2007 13ML121 IA
GX-2008 13ML121 IA
GX-2009 34CM131 (Gore Pit) OK
GX-201 BbGc-? (Hemlock Park) 895 ± 110 -20.0
GX-2010 DgPl-4 (Narrows) AB 2135 ± 90
GX-2011 DgPl-4 (Narrows) AB 2345 ± 160
GX-2012 DgPl-4 (Narrows) AB 4390 ± 220
GX-2013 DgPl-4 (Narrows) AB 1460 ± 120
GX-2014 DgPl-42 AB 135 ± 100 -25.0