In the Tri-State Neighbor # 309 W. 43rd St. @ Sioux Falls, SD 57105 2010 calendar the month of May a picture of T.A. Overby & John Overby harvesting grain in 1914 with a 30-60 Hart-Parr tractor which is pulling push binders through the fields and the month of July a 18-32 Case cross motor tractor driven by T.A. Overby and John Overby operating the Advance-Rumple combine near Brentford, SD., circa 1928. the pictures were Courtesy of S.D. State Agricultural Heritage Museum of SDSU, Brookings, S.D.