Roper and Adair 2012

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
ISGS-A1724 14WB322 (Claussen) 1110 ± 25 -23.4
ISGS-A1790 25FR6 (Holdredge 3) 1015 ± 20 -17.4
ISGS-A1791 25FR6 (Holdredge 3) 910 ± 15 -17.1