Piepgras and Stipp 1977:119-120

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
UM-667 9GN? 1396 ± 81 0.0
UM-668 9GN? 1536 ± 77 0.0
UM-670 9GN? 1116 ± 81 0.0
UM-671 9GN? 1646 ± 81 0.0
UM-672 9GN? 1596 ± 77 0.0
UM-701 9GN? 916 ± 81 0.0