He was a delegate to the Republican National Convention in Chicago in 1868 and again at the 1876 convention in Cincinnati . After his term in office expired , he returned to railroad engineering . During the 1880s and 1890s , he served as president or chief engineer of dozens of railroad companies . Dodge went to New York City to manage the growing number of businesses he had developed
Republican National Convention
1868 Republican National Convention
Grenville M. Dodge