Minnesota - State Highway 4, state secondary highway 30, State Highway 25, and Steele County route C
![Minnesota - State Highway 4, state secondary highway 30, State Highway 25, and Steele County route C sign.](img/MN/MN19290251i1.jpg)
1929 Westmanco sign catalog, scanned by Dale Mark. The 30 is a Minnesota state secondary route.
1929 Westmanco sign catalog, scanned by Dale Mark. The 30 is a Minnesota state secondary route.