JOHNSTOWN — Fulton County and its criminal justice workers' union will soon participate in a fact-finding process, hoping to iron out a protracted contract dispute. An appointed mediator, come July, will review disputed terms and eventually put forward a non-binding resolution following a hearing. It's a rare step in Fulton County government-labor proceedings. "In all my years doing this, this is my second, and I represent 37 contracts," said Bill LeBeau, staff director at the New York State Law Enforcement Officers Union, which represents the Fulton County Sheriff's Office Employees Alliance. "This is my second one and I've been doing…