File:Report on the Pittsburgh Transportation Problem 1910 b.jpg
![File:Report on the Pittsburgh Transportation Problem 1910 b.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/5/55/Report_on_the_Pittsburgh_Transportation_Problem_1910_b.jpg/423px-Report_on_the_Pittsburgh_Transportation_Problem_1910_b.jpg?20210520180246)
Size of this preview: 423 × 599 pixels. Other resolutions: 169 × 240 pixels | 339 × 480 pixels | 542 × 768 pixels | 723 × 1,024 pixels | 1,446 × 2,048 pixels | 4,238 × 6,003 pixels.
Original file (4,238 × 6,003 pixels, file size: 3.81 MB, MIME type: image/jpeg)