Trichome October 14, 2016 thcscience_admin Center Township is a township in O'Brien County, Iowa, United States.[1] History[edit] Center Township was founded in 1871.[2] References[edit] ^ U.S. Geological Survey Geographic Names Information System: Center Township, O'Brien County, Iowa ^ Past and Present of O'Brien and Osceola Counties, Iowa, Volume 1. B. F. Bowen. 1914. p. 417. Municipalities and communities of O'Brien County, Iowa, United StatesCounty seat: PrimgharCities Archer Calumet Hartley Paullina Primghar Sanborn Sheldon‡ Sutherland Map of Iowa highlighting O'Brien CountyTownships Baker Caledonia Carroll Center Dale Floyd Franklin Grant Hartley Highland Liberty Lincoln Omega Summit Union Waterman Otherunincorporatedcommunities Gaza Germantown Moneta Plessis Ritter Footnotes‡This populated place also has portions in an adjacent county or counties Iowa portal United States portal 43°07′40″N 95°33′54″W / 43.1277°N 95.5649°W / 43.1277; -95.5649