Beam (12,830)
Big Sioux River (61)
Hawarden, Iowa (2)
Iowa (5,927)
Lally columns (260)
Lost (19,556)
Owned by city (4,665)
Pin-connected (3,446)
Pratt through truss (4,675)
| Pratt truss (8,159)
Sioux County, Iowa (18)
South Dakota (567)
State line crossing (766)
Through truss (13,167)
Timber stringer (3,501)
Truss (29,918)
Union County, South Dakota (15)
|