Hill-Annex Mine
United States, Minnesota
Hill-Annex Mine
LocationUnited States, Minnesota
RegionMinnesota
TypeState Park
Coordinates47.3300°, -93.5400°
Established1988
Area3
Nearest CityCalumet (1 mi)
Major CityDuluth (77 mi)
About Hill-Annex Mine
PERMANENTLY CLOSED June 2024 - returned to mining operations. Featured Cretaceous fossils.