Publisher
- Eaton County Road Commission1
- Environmental Systems Research Institute (Redlands, Calif.)11
- For free distribution courtesy of Tuscola County Road Commission1
- Gladwin County Chamber of Commerce1
- Hillman Chamber of Commerce1
- Instituto Nacional de Estadística y Geografía (Mexico)31
- Ionia County Road Commission1
- Iosco County Board of Supervisors1
- Iosco County Road Commission1
- Jackson County Road Commission1
- Kalamazoo County Road Commission1
- Keweenaw County1
- Lake City Chamber of Commerce1
- Lake County Road Commission1
- Lapeer County Road Commission1
- Lewiston Boosters1
- Livingston County Road Commission1
- Mackinac County Board of Supervisors1
- Mason County Board of Road Commissioners1
- Mecosta County Road Commission1