Hoffman, 1967

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
I-720 39DW234 (Molstad) SD 385 ± 95 -25.0
I-721 39DW234 (Molstad) SD 275 ± 85 -25.0
SI-25 39DW234 (Molstad) SD 475 ± 100 -25.0
SI-59 39DW234 (Molstad) SD 360 ± 50 -25.0