File:1937 original railroads in Pittsburgh.jpg
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![File:1937 original railroads in Pittsburgh.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/8/82/1937_original_railroads_in_Pittsburgh.jpg/800px-1937_original_railroads_in_Pittsburgh.jpg?20050628122523)
Size of this preview: 800 × 473 pixels. Other resolutions: 320 × 189 pixels | 640 × 378 pixels | 1,024 × 606 pixels | 1,280 × 757 pixels | 2,560 × 1,514 pixels | 5,327 × 3,150 pixels.
Original file (5,327 × 3,150 pixels, file size: 2.85 MB, MIME type: image/jpeg)
Categories:
- Maps of the Pennsylvania Railroad
- Old railroad maps of the United States
- Old maps of Pittsburgh
- 1937 maps of Allegheny County, Pennsylvania
- November 1937 in the United States
- Rail transport maps of Pittsburgh
- Pennsylvania Main Line of Public Works
- Pennsylvania Canal Tunnel
- Pittsburgh & Steubenville Extension Railroad Tunnel
- 1937 in Pittsburgh