1995 - Cioppa et al, Paleomagnetism of Tills and Paleosols Published Research

1995 Cioppa, M.T., Karlstrom, E.T., Barendregt, R.W., and Irving, E., Paleomagnetism of tills and associated paleosols in southwestern Alberta and northern Montana: evidence for late Pliocene-Early Pleistocene glaciations. Canadian Journal of Earth Sciences, v. 32, no. 5, p. 555-564.