(February 25, 2019, 9:57 AM EST) -- SPRINGFIELD, Ill. — In a reinsurance coverage dispute over payment for mine subsidence damages, a railroad company argues in a Feb. 20 brief that an Illinois federal court should grant it summary judgment on alter-ego and de facto merger claims (Illinois Mine Subsidence Insurance Fund v. Union Pacific Railroad Co., No. 17-3199, C.D. Ill.)....