TY - RPRT TI - Ice-walled-lake plains: Implications for the origin of hummocky glacial topography in middle North America AU - L. Clayton AU - J.W. Attig AU - N.R. Ham AU - M.D. Johnson AU - C.E. Jennings AU - K.M. Syverson PY - 2008 DO - 10.1016/j.geomorph.2007.02.045 UR - https://pubs.usgs.gov/publication/70032042 ID - 70032042 ER -