drawbridges:
Pere Marquette Railroad Bridge
drawbridges:
Pere Marquette Railroad bridge
drawbridges:
Pere Marquette Railroad Bridge
drawbridges:
Pere Marquette Railroad Bridge
drawbridges:
Pere Marquette
drawbridges:
Abt railroad bascule bridge
drawbridges:
Black River Railroad Bridge
drawbridges:
Pere Marquette Railroad bridge
drawbridges:
Pere Marquette Railroad bridge
drawbridges:
PMC&O railroad Abt bascule Bridge
drawbridges:
PMC&O railroad bridge
drawbridges:
PMC&O railroad Abt type (detailing)