Mealey's (June 22, 2021, 12:14 PM EDT) -- SPRINGFIELD, Ill. — An Illinois federal magistrate judge on June 17 directed parties in a suit filed by a railroad company seeking injunctive relief over reinsurer Illinois Mine Subsidence Insurance Fund’s (IMSIF) pursuit of reimbursement as subrogee for mine subsidence claims to file supplemental briefs to determine whether the court has subject matter jurisdiction over the claims asserted by the railroad company in an amended complaint....