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[Untitled photo, possibly related to: Freight operations on the Indiana Harbor Belt railroad between Chicago, Illinois and Hammond, Indiana. When two train pass, the rear brakeman for each watches the other train and if there are no hotboxes or other damage he gives the high sign]. Sourced from the Library of Congress.

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[Untitled photo, possibly related to: Freight operations on the Indiana Harbor Belt railroad between Chicago, Illinois and Hammond, Indiana. When two train pass, the rear brakeman for each watches the other train and if there are no hotboxes or other damage he gives the high sign]. Sourced from the Library of Congress.

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