@misc{indiciae953247a14080,
  title = {Mid-Pleistocene cosmogenic minimum-age limits for pre-Wisconsinan glacial surfaces in southwestern Minnesota and southern Baffin Island: A multiple nuclide approach},
  author = {P.R. Bierman and K.A. Marsella and Chris Patterson and P.T. Davis and M. Caffee},
  year = {1999},
  doi = {10.1016/s0169-555x(98)00088-9},
  url = {https://pubs.usgs.gov/publication/70021806},
  note = {Source identifier: 70021806}
}