6-panel truss (654)
Chicago, Milwaukee, St. Paul & Pacific Railroad (1,041)
Davenport & North Western Railway (2)
Davenport & St. Paul Railroad (2)
Howe through truss (454)
Howe truss (566)
Iowa (6,530)
Jackson County, Iowa (76)
| Lost (25,042)
Maquoketa River (63)
Maquoketa, Iowa (6)
Railroad (15,614)
Through truss (15,204)
Truss (33,000)
Uncovered wooden truss (136)
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