Supplemental material: Importance of groundwater in propagating downward integration of the 6–5 Ma Colorado River system: Geochemistry of springs, travertines, and lacustrine carbonates of the Grand Canyon region over the past 12 Ma
journal contributionposted on 13.05.2015, 00:00 by L.C. Crossey, K.E. Karlstrom, R. Dorsey, J. Pearce, E. Wan, L.S. Beard, Y. Asmerom, V. Polyak, R.S. Crow, A. Cohen, J. Bright, M.E. Pecha
Geosphere, June 2015, v. 11, p. 660-682, doi:10.1130/GES01073.1, Supplemental Table 2 - U.S. Geological Survey tephrochronology report.