Steventon and Kutzbach 1983:159

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
WIS-1303 800 ± 80 -29.6
WIS-1304 2460 ± 80 -24.0
WIS-1305 3060 ± 80 -27.9
WIS-1314