File:Seattle - Proposed underwater tube crossing of Union Bay, 1960s.jpg
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Size of this preview: 800 × 484 pixels. Other resolutions: 320 × 194 pixels | 640 × 387 pixels | 1,024 × 619 pixels | 1,280 × 774 pixels | 2,560 × 1,549 pixels | 3,660 × 2,214 pixels.
Original file (3,660 × 2,214 pixels, file size: 1.34 MB, MIME type: image/jpeg)
Categories:
- Bridges in Seattle
- Road bridges in Washington (state)
- Road tunnels in the United States
- Tunnels in Washington (state)
- Union Bay (Seattle)
- Madison Park, Seattle, Washington
- Seattle, Washington in the 1960s
- Washington State Route 520
- State highways in Washington (state)
- Proposed or planned structures in the United States