Kulp et al., 1951: 566

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
L-104A 25SF1 (Signal Butte) NE 3445 ± 120 -25.0
L-104B 25SF1 (Signal Butte) NE 2950 ± 200 -25.0