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You searched for: Topic Business and Industry Remove constraint Topic: Business and Industry Subject Headings Bridges Remove constraint Subject Headings: Bridges Contributor University of Minnesota Duluth, Kathryn A. Martin Library, NEMHC Collections Remove constraint Contributor: University of Minnesota Duluth, Kathryn A. Martin Library, NEMHC Collections

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1. View of hillside from railroad spur, Duluth, Minnesota

2. Iron mine trestle, Eveleth, Minnesota

3. Iron miners building the trestle, Eveleth, Minnesota

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