Tiffany, 1981

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
WIS-19 a 13PM4 (Kimball) IA 750 ± 90 -25.0
WIS-19 b 13PM4 (Kimball) IA 950 ± 100 -25.0
WIS-20 a 13OB4 (Wittrock) IA 730 ± 90 -25.0
WIS-20 b 13OB4 (Wittrock) IA 700 ± 110 -25.0
WIS-31 a 13PM4 (Kimball) IA 640 ± 90 -25.0
WIS-31 b 13PM4 (Kimball) IA 850 ± 100 -25.0
WIS-34 a 13OB4 (Wittrock) IA 450 ± 100 -20.0
WIS-34 b 13OB4 (Wittrock) IA 630 ± 80 -20.0
WIS-59 a 13WD8 (Dixon) IA 280 ± 70 -25.0
WIS-59 b 13WD8 (Dixon) IA 350 ± 80 -25.0