Hill-Annex Mine State Park

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Hill Annex Mine State Park
Hill-Annex Mine State Park.jpg
Hill-Annex Mine
Map showing the location of Hill Annex Mine State Park
Map showing the location of Hill Annex Mine State Park
Location of Hill Annex Mine State Park in Minnesota
Map showing the location of Hill Annex Mine State Park
Map showing the location of Hill Annex Mine State Park
Hill Annex Mine State Park (the US)
LocationItasca, Minnesota, United States
Coordinates47°20′04″N 93°16′21″W / 47.33444°N 93.27250°W / 47.33444; -93.27250Coordinates: 47°20′04″N 93°16′21″W / 47.33444°N 93.27250°W / 47.33444; -93.27250
Area625 acres (253 ha)
Elevation1,434 ft (437 m)[1]
Governing bodyMinnesota Department of Natural Resources
WebsiteHill Annex Mine State Park
Hill Annex Mine
ArchitectJones & Laughlin Steel Co.
Architectural styleBungalow/Craftsman
NRHP reference #86002126[2]
Added to NRHPAugust 1, 1986

Hill-Annex Mine State Park is a state park of Minnesota, United States, interpreting the open-pit mining heritage of the Mesabi Range. The park is located north of the city of Calumet, in Itasca County, Minnesota. The park provides access to fossil material exposed by mining from the Cretaceous era Coleraine Formation.

In 1892, the land was leased for mineral exploration. It was leased again in 1900 and mining began in 1913. In the years it was in operation, the mine produced 63 million tons of iron ore. It grew to become the sixth largest producer in Minnesota.[3] Historic buildings include the office building (c. 1930), laboratory (c. 1930), maintenance shop (c. 1930), truck repair shop (c. 1919), wooden water tower (c. 1919), and community club (c. 1915).[4]

After the mine closed, the Iron Range Resources and Rehabilitation Board acquired if for a dollar. They converted the community club building into a museum and visitors center and gave tours. The former mine was listed on the National Register of Historic Places in 1986 as a historic district, and the Minnesota Legislature made Hill Annex Mine a state park two years later.

Flora and fauna[edit]

Conservationists have added vegetation to rehabilitate areas damaged by open-pit mining. The landscape is home to grouse, deer, coyotes, timber wolves, and black bears. Raptors, including eagles, peregrine falcons, and hawks have returned to the park.


  1. ^ "Hill Annex Mine State Park". Geographic Names Information System. United States Geological Survey. 1993-07-01. Retrieved 2018-01-01.
  2. ^ National Park Service (2010-07-09). "National Register Information System". National Register of Historic Places. National Park Service.
  3. ^ "Park Info". Minnesota Department of Natural Resources. Retrieved 2018-01-01.
  4. ^ Rolf Anderson. "Hill Annex Mine". National Park Service. Retrieved 2018-01-01. with photos

External links[edit]