Mehringer and Nash (1971) A Holocene volcanic ash from northwestern Utah. Proceedings of the Utah Academy of Sciences, Arts and Letters 48, p. 46-51 // Madsen and Currey (1979) Quaternary Research 12(2), p. 254-270 per Dalton et al. 2020-An Updated Radiocarbon-Based Ice Margin….

Samples that cite this reference

Lab number Site Province / State Normalized age δ13C (per mil)
A-1112 12200 ± 800