TY - JOUR AB - AU - Homer Calkin DA - 1971/12// DO - 10.17077/0031-0360.24401 IS - 12 VL - 52 PB - State Historical Society of Iowa PY - 1971 TI - Agricultural Statistics T2 - The Palimpsest UR - https://pubs.lib.uiowa.edu/palimpsest/article/id/24401/ ER -