1. Photographs showing timetable on Monday and Tuesday for moving iron ore from Marquette, Michigan to the Fordson plant to the High Line. Collection: Early 20th Century Engineering Lantern Slides Set: Growth Location: Detroit, Michigan Date: undated Format: Image Agent: unknown
2. Photograph showing Tuesday work moving iron ore through a foundry into cylinder blocks and through machining. Collection: Early 20th Century Engineering Lantern Slides Set: Growth Location: Detroit, Michigan Date: undated Format: Image Agent: unknown
