Mahoning Mine, Largest Open Pit Mine in the World, Hibbing, MN [Postcard]

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POSTCARD TITLE: Mahoning Mine, Largest Open Pit Mine in the World, Hibbing, Minn.

POSTMARK: May 5, 1907

PUBLISHER: Gartner & Bender

TYPE/BACK: Vintage, Divided Back

COMMENTS: The corners of the card are slightly rounded. Printed photo. Check the scan for more details.