Spokane, Portland and Seattle Railway Engineering Drawing: 8 Foot X 8 Foot Box Culvert, Culvert west of United Junction, west of United Junction, Oregon, Line Segment 442, Milepost 14.3. Sheet RS - 271, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: 8 Foot X 8 Foot Box Culvert, Culvert west of United Junction, west of United Junction, Oregon, Line Segment 442, Milepost 14.3. Sheet RS - 271, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: 8 Foot X 8 Foot Box Culvert, Culvert west of United Junction, west of United Junction, Oregon, Line Segment 442, Milepost 14.3. Sheet RS - 272, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Concrete Footings, Bridge U11.3, west of United Junction, Oregon, Line Segment 442, Milepost 11.26. Sheet RR - 281, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Concrete Footings, Bridge U16.7 - Underpass, west of United Junction, Oregon, Line Segment 442, Milepost 16.62. Sheet RR - 262, 1923.
Spokane, Portland and Seattle Railway Engineering Drawing: Firewall - Pile Trestle, Bridge U16.7 - Underpass, west of United Junction, Oregon, Line Segment 442, Milepost 16.62. Sheet NO - 300, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Foundation Data, Tunnel - Nehalem Boom Crossing, United Junction, Oregon, Line Segment 442, Milepost 10.19. Sheet 23283, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Frame Details, Tunnel - Nehalem Boom Crossing, United Junction, Oregon, Line Segment 442, Milepost 10.19. Sheet 23284, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: Frame Details, Tunnel - Nehalem Boom Crossing, United Junction, Oregon, Line Segment 442, Milepost 10.19. Sheet 23285, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: General Elevation, Bridge U16.7 - Underpass, west of United Junction, Oregon, Line Segment 442, Milepost 16.62. Sheet RR - 263, undated.
Spokane, Portland and Seattle Railway Engineering Drawing: General Plans, Bridge U11.3, west of United Junction, Oregon, Line Segment 442, Milepost 11.26. Sheet RS - 248, 1929.