Lab number Site Province / State Normalized age δ13C (per mil)
US-2733 430 ± 45 -27.0
US-2788 205 ± 50 -27.0
US-2789 270 ± 50 -27.0
US-2790 400 ± 40 -27.0
US-2790? 375 ± 50 -27.0
US-2798 275 ± 40 -27.0
US-3121 430 ± 35 -27.0
US-3141 450 ± 35 -27.0
USC-2 9BK113 (Midden Point) 3729 ± 127 -25.0
USC-3 9BK113 (Midden Point) 4002 ± 169 -25.0
USC-4 9BK113 (Midden Point) 3742 ± 141 -25.0
USC-5 9BK113 (Midden Point) 3765 ± 142 -25.0
USC-6 9BK113 (Midden Point) 4095 ± 170 -25.0
USGS-10 45SK37 (Tronsdal) WA
USGS-107 35De,LavaButte (35De, Lava Butte) 6160 ± 65
USGS-1070
USGS-11 45SK37 (Tronsdal) WA
USGS-1174 CA-KER-? (Rosamond lake) CA 130 ± 50
USGS-1199 48HO? WY 2080 ± 300
USGS-12 45SK53 (Oosterhof) WA
USGS-1253 AKEAG200 (Lost Chicken Creek) AK
USGS-1254 AKEAG200 (Lost Chicken Creek) AK
USGS-1255 AKEAG200 (Lost Chicken Creek) AK 9560 ± 80
USGS-1256 AKEAG200 (Lost Chicken Creek) AK 7110 ± 90
USGS-1257 AKEAG200 (Lost Chicken Creek) AK 6600 ± 60
USGS-1258 AKEAG200 (Lost Chicken Creek) AK 8120 ± 60
USGS-13 A 45SK77 (Niderost) WA 1750 ± 110
USGS-13 B 45SK77 (Niderost) WA 1080 ± 50
USGS-1341
USGS-13A 45SK77 (Niderost) WA