Spokane, Portland and Seattle Railway Engineering Drawing: Concrete Plan/Steel Detail, Bridge S29.3, Sweet Home, Oregon, Line Segment 457, Milepost 29.25. Sheet PQ304, 1952. Note: Steel span
Elements area
Taxonomy
Code
Scope note(s)
At Pacific Northwest Railroad Archive, engineering drawings providing the form and dimensions of railroad structures such as bridges, tunnels and depots.
Source note(s)
LC Subject Authority Heading: Engineering Drawing https://lccn.loc.gov/sh85043213
Display note(s)
Hierarchical terms
Engineering drawing
Equivalent terms
Engineering drawing
UF Physical plant drawing
UF Technical drawings