File:A large electric phosphate smelting furnace used to make elemental phosphorus in a TVA chemical plant in the vicinity of Muscle Shoals, Ala.jpg
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Size of this preview: 784 × 599 pixels. Other resolutions: 314 × 240 pixels | 628 × 480 pixels | 1,005 × 768 pixels | 1,280 × 978 pixels | 2,560 × 1,957 pixels | 8,122 × 6,208 pixels.
Original file (8,122 × 6,208 pixels, file size: 5.97 MB, MIME type: image/jpeg)