@misc{indiciae9a879581ce44,
  title = {Optical ages indicate the southwestern margin of the Green Bay Lobe in Wisconsin, USA, was at its maximum extent until about 18,500 years ago},
  author = {J.W. Attig and P.R. Hanson and J.E. Rawling and A.R. Young and E.C. Carson},
  year = {2011},
  doi = {10.1016/j.geomorph.2011.04.027},
  url = {https://pubs.usgs.gov/publication/70036436},
  note = {Source identifier: 70036436}
}