Editing First transcontinental railroad (section)

===Grenville M. Dodge===
[[File:Portrait of Maj. Gen. Grenville M. Dodge, officer of the Federal Army LOC cwpb.05485.jpg|thumb|247x247px|left|Maj. Gen. Grenville M. Dodge]]

Major General [[Grenville M. Dodge]] served as the chief engineer of [[Union Pacific Railroad|Union Pacific]] during the construction of the First Transcontinental Railroad. In 1865 while fighting against Native-American tribes he would discover a pass in the [[Laramie Mountains]], which would serve as a vital passage for the First Transcontinental Railroad. Dodge would serve in the [[United States House of Representatives]] for [[Iowa's 5th congressional district#:~:text=Iowa's 5th congressional district is, for Iowa's 4th congressional district.|Iowa's 5th District]] from 1867 until 1869. During this time he would push for legislation to help the construction of the railroad.<ref>{{cite web | url=https://www.nrrhof.org/major-general-grenville-mellen-dodge | title=Major General Grenville Mellen Dodge }}</ref>