Jones, D.S., R.W. Brothers, A.-S.C. Ahm, N. Slater, J.A. Higgins, and D.A. Fike. 2020. “Sea Level, Carbonate Mineralogy, and Early Diagenesis Controlled δ13C Records in Upper Ordovician Carbonates”. Geology 48. Geological Society of America: 194-99. doi:10.1130/G46861.1.