Lab number Site Province / State Normalized age δ13C (per mil)
RL-1536 EaOq-17 (Southridge) AB 3750 ± 130 -20.0
RL-1539 48CK141 (Federal Bentonite) WY 900 ± 110 -25.0
RL-154 48BH499 (Medicine Lodge Creek) WY 9700 ± 620
RL-1540 48CK143 (Federal Bentonite) WY 3030 ± 130 -25.0
RL-1541 48CK148 (Federal Bentonite) WY 3620 ± 150 -25.0
RL-1544 RI (Block Island) RI 2720 ± 120
RL-1553 24MC71 (Nickles Kill = Twitchell) MT 1140 ± 100 -20.0
RL-1554 EgPm-179 (Hawkwood) AB 8330 ± 330 -20.0
RL-1556 DjPq-2 AB 420 ± 110 -20.0
RL-1557 DjPq-2 AB 1720 ± 120 -20.0
RL-1558 48FR308 (Lookingbill) WY 6120 ± 190 -25.0
RL-1563 EcPp-24 AB 1450 ± 110 -20.0
RL-1564 EcPp-24 AB 800 ± 110 -20.0
RL-1565 48FR1183 (Ogle 3) WY 1120 ± 120 -25.0
RL-1566 48FR1186 (Ogle 6) WY 4360 ± 140 -25.0
RL-1570 a 48FR308 (Lookingbill) WY 7440 ± 640 -20.0
RL-1570a 48FR308 (Lookingbill) WY 7440 ± 640 -20.0
RL-1582 48FR1216 (Union Carbide) WY 1210 ± 110 -25.0
RL-1583 EfPq-5 AB 3590 ± 120 -20.0
RL-1584 EfPq-5 AB 5150 ± 160 -20.0
RL-1585 DlOp-2 (Ross Glen) AB 4260 ± 140
RL-1588 5EA484 CO 1490 ± 120
RL-1589 5EA484 CO 2530 ± 120
RL-1591 5ML46 CO 3390 ± 130
RL-1592 5ML45 CO 4690 ± 160
RL-1593 5ML45 CO 4900 ± 180
RL-1594 5ML45 CO 7860 ± 190
RL-1596 24PH794 (Henry Smith) MT 1020 ± 90 -20.0
RL-1597 24PH794 (Henry Smith) MT 1280 ± 100 -20.0
RL-160 48SH311 (Mavrakis-Benson-Roberts) WY 2460 ± 140 -25.0