Crow, R.S., Schwing, J., Karlstrom, K.E. , Heizler, M., Pearthree P.A., House P.K., Dulin S., Jänecke, S.U. , M. Stelten, and L.J. Crossey, 2021, Reply to Comment about: Redefining the age of the lower Colorado River, southwestern United States: Geology, 49 (9): e532–e533. doi: https://doi.org/10.1130/G49334Y.1 https://pubs-geoscienceworld-org.dist.lib.usu.edu/gsa/geology/article/49/6/635/594889/Redefining-the-age-of-the-lower-Colorado-River SEE ALSO THE ORIGINAL ARTICLE AT https://works.bepress.com/susanne_janecke/240/