Olson and Broecker, 1961: 170

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
L-385A 25SF1 (Signal Butte) NE 2630 ± 100 -25.0
L-385B 25SF1 (Signal Butte) NE 4550 ± 220 -25.0
L-385C 25SF1 (Signal Butte) NE 3480 ± 150 -20.0
L-385D 25SF1 (Signal Butte) NE 4170 ± 250 -25.0
L-385E 25SF1 (Signal Butte) NE 2930 ± 350 -20.0