What railroad for which Oakes Ames is credit as being the single most important influence in building was caught up in the  Crédit Mobilier scandal?
Oakes Ames Oakes Ames (January 10, 1804 – May 8, 1873) was an American manufacturer, capitalist, and member of the United States House of Representatives from Massachusetts. As a congressman, he is credited by many historians as being the single most important influence in the building of the Union Pacific portion of the transcontinental railroad. He is also noted for the subsequent scandal that alleged the improper sale of stock of the railroad's construction company.
Lansing Manufacturers Railroad Lansing Manufacturers Railroad was a beltline switching railroad organized in 1904 to connect Cornelius Vanderbilt's Michigan Central mainline on the north edge of Lansing, Michigan, to automotive factories on the west and south side of the city and to Sir Henry Tyler's Grand Trunk Railroad along the north bank of the Grand River. The company's 5.1 mi , C-shaped right of way lay entirely within the city limits. Important customers included GM's Reatta Craft Centre, Lansing Metal Center, and both plants of Lansing Car Assembly.