Bender et al., 1971: 477

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
GX-7034 21GD2 (Bartron) MN
GX-7035 21GD2 (Bartron) MN
WIS-423 21GD2 (Bartron) MN 850 ± 55 -25.0
WIS-434 21GD2 (Bartron) MN 890 ± 55 -25.0