 The gambit made Durant and his cohorts $5 million.The Rock Island Line bought the M&M on July 9, 1866, and completed its line to Council Bluffs in 1869 and extended the Muscatine/Washington Line to Leavenworth, Kansas.The merged railroad was called the "Chicago, Rock Island and Pacific Railroad", a name it kept until it was dissolved in bankruptcy in the 1970s.