Spokane, Portland and Seattle Railway Engineering Drawing: 20 Foot I - Beam Span, Bridge A26.5 (164?) - (No Suggestions) Creek, west of Saint Helens, Oregon, Line Segment 440, Milepost 26.51. Sheet N - 3 - 15, 1902. Note: Steel span
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Scope note(s)
A Pacific Northwest Railroad Archive subject. An engineering drawing of a railroad bridge or its components.
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Hierarchical terms
Railroad bridge drawings
Railroad bridge drawings
Equivalent terms
Railroad bridge drawings
UF Railroad bridges
UF Bridges