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map of Minnesota
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24 properties found in this region of the state.

Soudan Iron Mine
Minnesota's oldest and deepest underground iron mine.

Hull-Rust-Mahoning Mine
The world's largest open pit mine.

Ironton Sintering Plant Complex
Processing plant that turned low-grade ore into a higher-grade, marketable product.

Duluth & Iron Range Railroad Company Depot
Passenger and freight depot that served the region's lumber and iron mining operations.

Edna G. (tugboat)
The last coal-fired, steam-powered tugboat to operate on Lake Superior.

William A. Irvin (freighter)
Bulk freighter with passenger accommodations, known as the “Pride of the Silver Stackers.”

Two Harbors Light Station
Lit in 1892 to guide ore shipments through this once-thriving port.

Canisteo District General Office
Standard building type used by Oliver Mining Company throughout the region.

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