Mealey's (August 2, 2021, 1:37 PM EDT) -- SPRINGFIELD, Ill. — In July 30 replies to supplemental briefs, a railroad company and reinsurer Illinois Mine Subsidence Insurance Fund (IMSIF) spar about whether there is subject matter jurisdiction for claims in federal court in Illinois; the railroad seeks declarations and injunctive relief over the reinsurer’s pursuit of reimbursement as subrogee for mine subsidence claims that IMSIF paid on behalf of subrogor property owners....