Union Pacific is investing nearly $9 million to improve the rail line from Ogallala, Neb., to near Cheyenne, Wyo. Work on two projects covering more than an 85-mile stretch of railroad track began August 8 and is scheduled to be completed by mid-September. One section is between west of Ogallala to Julesburg, Neb., and the second project is west of Sidney, Neb., to near Cheyenne, Wyo.