TY - RPRT TI - Provenance of Des Moines lobe till records ice-stream catchment evolution during Laurentide deglaciation AU - B.A. Lusardi AU - C.E. Jennings AU - K.L. Harris PY - 2011 DO - 10.1111/j.1502-3885.2011.00208.x UR - https://pubs.usgs.gov/publication/70034535 ID - 70034535 ER -