Iowa Pottawattamie County route M16
![Iowa Pottawattamie County route M16 sign.](img/IA/IA19750161i1.jpg)
1975 specification highway marker.
Attribution unknown. Is this your photo or sign? Please contact us and we will happily identify you.
1975 specification highway marker.
Attribution unknown. Is this your photo or sign? Please contact us and we will happily identify you.