- US WaBuPNRA D0027-004-009-008-008
- Subseries Level 3
- 1890-1914
Part of Timothy Miller Collection
Engineering drawings of structures designed to allow passage of trains underground.
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Part of Timothy Miller Collection
Engineering drawings of structures designed to allow passage of trains underground.
Part of Timothy Miller Collection
Engineering drawings of structures designed to allow passage of trains underground.
Part of Timothy Miller Collection
Engineering drawings of structures designed to allow passage of trains underground.
Part of Timothy Miller Collection
Engineering drawings of structures designed to allow passage of trains underground.
Part of Timothy Miller Collection
Engineering drawings of structurse designed to allow passage of trains underground.
Part of Great Northern Railway- Blueprint-Authorization for Expenditure Collection
Engineering drawings of structures designed to allow passage of trains underground.
Engineering drawings of structures designed to allow passage of trains underground.
Part of Great Northern Railway- Blueprint-Authorization for Expenditure Collection
Engineering drawings of structures designed to allow passage of trains underground.
Part of Timothy Miller Collection
Spokane, Portland and Seattle Railway Engineering Drawing: Wall Details, Tunnel - Nehalem Boom Crossing, United Junction, Oregon, Line Segment 442, Milepost 10.19. Sheet 23286, undated.
Part of Timothy Miller Collection
Spokane, Portland and Seattle Railway Engineering Drawing: Standard Expansion Joint Detail, Tunnel - Nehalem Boom Crossing, United Junction, Oregon, Line Segment 443, Milepost 10.19. Sheet 22970, undated.