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Pig casting 
Name: Pig casting
Collection: Vogel Slide Collection
Site: General Iron & Steel
Unit: 4
Piece: 4-01
Structure: Furnace
Photo credit: Robert M. Vogel
Photo date: 0000-00-00
Notes: Reproduction of old stereo photograph showing flow of iron from unidentified stone furnace into extensive sow-and-pigs casting floor