Keywords: Shelby County, Iowa.... Detailed description, Shows Spring plowing going on. Usually a two-share mou . . . - NARA - 522440.jpg Shows Spring plowing going on Usually a two-share mouldboard plow is used General notes 522440 Local identifier 83-G-44271 Department of Agriculture Bureau of Agricultural Economics Division of Economic Information ca 1922 - ca 1953 Rusinow Irving Photographer 5307166 <br /> Still Picture Records Section Special Media Archives Services Division NWCS-S National Archives at College Park 8601 Adelphi Road College Park MD 20740-6001 1941 05 02 - _Shows_Spring_plowing_going_on _Usually_a_two-share_mou_ _ _ _-_NARA_-_522440 jpg jpg </gallery> NARA-cooperation PD-USGov Irving Rusinow Fields in the United States Agriculture in Iowa Shelby County Iowa Harrowing by horse Tractors in the United States Ploughs |