Clark County Leads the State in Farmland Preservation CLARK COUNTY, OH (WYSO) - With the help of the Tecumseh Land Trust and other non-profit entities devoted to land preservation, Clark County ends up a leader in Ohio in preserving some of its rural landscape. WYSO's Clark County Reporter Cynthia Sperberg-Hart has more. Note: many of the farms were also donated to the Tecumseh Land Trust. © Copyright 2009, WYSO