Michigan Department of Transportation (April 2009). Michigan's Railroad System(PDF) (Map). Scale not given. Lansing: Michigan Department of Transportation. Retrieved September 14, 2010.
Michigan Department of Transportation (April 23, 2006). National Highway System, Michigan(PDF) (Map). Scale not given. Lansing: Michigan Department of Transportation. Archived from the original(PDF) on October 4, 2012. Retrieved October 7, 2008.
Michigan State Highway Department & Rand McNally (December 15, 1936). Official Michigan Highway Map (Map) (Winter ed.). [c. 1:850,000]. Lansing: Michigan State Highway Department. §§ G13–H13. OCLC12701143, 317396365. Retrieved October 17, 2019 – via Michigan History Center.
Michigan State Highway Department & Rand McNally (July 15, 1940). Official Michigan Highway Map (Map) (Summer ed.). [c. 1:850,000]. Lansing: Michigan State Highway Department. §§ G8, G10–G11. OCLC12701143. Retrieved October 17, 2019 – via Michigan History Center.
Michigan State Highway Department (July 1, 1951). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. § G11. OCLC12701120. Retrieved October 17, 2019 – via Michigan History Center.
Michigan State Highway Department (April 15, 1952). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. § G11. OCLC12701120. Retrieved October 17, 2019 – via Michigan History Center.
Michigan State Highway Department (October 1, 1953). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. § G12. OCLC12701120. Retrieved October 17, 2019 – via Michigan History Center.
Michigan State Highway Department (April 1, 1957). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. § G11. OCLC12701120. Retrieved October 17, 2019 – via Michigan History Center.
Michigan State Highway Department (1961). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. §§ G8–G13. OCLC12701120, 51857665. Retrieved October 17, 2019 – via Michigan History Center. (Includes all changes through July 1, 1961)
Michigan Department of Transportation (April 23, 2006). National Highway System, Michigan(PDF) (Map). Scale not given. Lansing: Michigan Department of Transportation. Archived from the original(PDF) on October 4, 2012. Retrieved October 7, 2008.
Michigan State Highway Department & Rand McNally (June 1, 1936). Official Michigan Highway Map (Map). [c. 1:850,000]. Lansing: Michigan State Highway Department. §§ G10–G11, G13–H13. OCLC12701143.
Michigan State Highway Department & Rand McNally (July 15, 1940). Official Michigan Highway Map (Map) (Summer ed.). [c. 1:850,000]. Lansing: Michigan State Highway Department. §§ G8, G10–G11. OCLC12701143. Retrieved October 17, 2019 – via Michigan History Center.
Michigan State Highway Department & Rand McNally (December 1, 1940). Official Michigan Highway Map (Map) (Winter ed.). [c. 1:850,000]. Lansing: Michigan State Highway Department. §§ G8, G10–G11. OCLC12701143.
Michigan State Highway Department & Rand McNally (June 1, 1942). Official Michigan Highway Map (Map) (Summer ed.). [c. 1:850,000]. Lansing: Michigan State Highway Department. § G8. OCLC12701143.
Michigan State Highway Department (October 1, 1945). Official Highway Map of Michigan (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. § G8. OCLC554645076.
Michigan State Highway Department (July 1, 1951). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. § G11. OCLC12701120. Retrieved October 17, 2019 – via Michigan History Center.
Michigan State Highway Department (April 15, 1952). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. § G11. OCLC12701120. Retrieved October 17, 2019 – via Michigan History Center.
Michigan State Highway Department (April 15, 1953). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. § G12. OCLC12701120.
Michigan State Highway Department (October 1, 1953). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. § G12. OCLC12701120. Retrieved October 17, 2019 – via Michigan History Center.
Michigan State Highway Department (April 1, 1957). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. § G11. OCLC12701120. Retrieved October 17, 2019 – via Michigan History Center.
Michigan State Highway Department & Rand McNally (April 15, 1939). Official Michigan Highway Map (Map) (Summer ed.). [c. 1:850,000]. Lansing: Michigan State Highway Department. §§ G10–G11. OCLC12701143.
Michigan State Highway Department & Rand McNally (December 1, 1939). Official Michigan Highway Map (Map) (Winter ed.). [c. 1:850,000]. Lansing: Michigan State Highway Department. §§ G10–G11. OCLC12701143. Retrieved October 17, 2019 – via Michigan History Center.
worldcat.org
Michigan Department of Transportation (2010). Uniquely Michigan: Official Department of Transportation Map (Map). c. 1:975,000. Lansing: Michigan Department of Transportation. §§ F8–F13. OCLC42778335, 639960603.
Michigan State Highway Department (December 1, 1927). Official Highway Service Map (Map). [c. 1:810,000]. Lansing: Michigan State Highway Department. OCLC12701195, 79754957.
Michigan State Highway Department & Rand McNally (December 15, 1936). Official Michigan Highway Map (Map) (Winter ed.). [c. 1:850,000]. Lansing: Michigan State Highway Department. §§ G13–H13. OCLC12701143, 317396365. Retrieved October 17, 2019 – via Michigan History Center.
Michigan State Highway Department (May 1, 1947). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. §§ G8–G9. OCLC12701120, 494733404.
Michigan State Highway Department (October 1, 1957). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. § G11. OCLC12701120, 367386492.
Michigan State Highway Department (1961). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. §§ G8–G13. OCLC12701120, 51857665. Retrieved October 17, 2019 – via Michigan History Center. (Includes all changes through July 1, 1961)