Northern Pacific Engineering Drawing: Subway Under 7th Street at Olympia, Washington, prepared in 1913. Burlington Northern File Number 272-30, Reference Number 10110.
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Taxonomy
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Scope note(s)
A Pacific Northwest Railroad Archive subject. An engineering drawing of a structure designed to allow passage of trains underground.
Source note(s)
Display note(s)
Hierarchical terms
Railroad tunnel drawings
Railroad tunnel drawings
Equivalent terms
Railroad tunnel drawings
UF Railroad tunnels
UF Tunnels