File:Pennsylvania Salt Manufacturing 1905.jpg
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Size of this preview: 800 × 548 pixels. Other resolutions: 320 × 219 pixels | 640 × 438 pixels | 1,024 × 701 pixels | 1,280 × 876 pixels | 2,560 × 1,752 pixels | 3,337 × 2,284 pixels.
Original file (3,337 × 2,284 pixels, file size: 1.17 MB, MIME type: image/jpeg)