File:Pittsburgh Exposition Building, late 1800s.png
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![File:Pittsburgh Exposition Building, late 1800s.png](https://upload.wikimedia.org/wikipedia/commons/thumb/6/67/Pittsburgh_Exposition_Building%2C_late_1800s.png/760px-Pittsburgh_Exposition_Building%2C_late_1800s.png?20200710031809)
Size of this preview: 760 × 599 pixels. Other resolutions: 304 × 240 pixels | 609 × 480 pixels | 974 × 768 pixels | 1,280 × 1,009 pixels | 2,560 × 2,019 pixels | 3,662 × 2,888 pixels.
Original file (3,662 × 2,888 pixels, file size: 5.58 MB, MIME type: image/png)