TY - JOUR AB - AU - William J Petersen DA - 1958/6// DO - 10.17077/0031-0360.24222 IS - 6 VL - 39 PB - State Historical Society of Iowa PY - 1958 TI - The Northwest Passage to Iowa T2 - The Palimpsest UR - https://pubs.lib.uiowa.edu/palimpsest/article/id/24222/ ER -