TY - JOUR AB - AU - Charles Reuben Keyes DA - 1943/1// DO - 10.17077/0031-0360.23476 IS - 1 VL - 24 PB - State Historical Society of Iowa PY - 1943 TI - Indian Rock Shelters T2 - The Palimpsest UR - https://pubs.lib.uiowa.edu/palimpsest/article/id/23476/ ER -