Browse mineral resources

Winona Mine

Past Producer • Copper

Wyandot Mine

Past Producer • Copper

King Philip Mine

Past Producer • Copper

Shawmut Mine

Past Producer • Copper

Elm River Mine

Past Producer • Copper

Calumet and Hecla Conglomerate Lode

Past Producer • Copper

Kearsarge Amygdaloid

Past Producer • Copper

Pewabic Amygdaloid

Past Producer • Copper

Osceola Amygdaloid

Past Producer • Copper

Isle Royale Amygdaloid

Past Producer • Copper

Arcadian Mine

Past Producer • Copper

St. Louis Exploration

Prospect • Copper

Atlantic Section 16 Exploration

Prospect • Copper

Globe Mine

Past Producer • Copper

Houghton Exploration

Prospect • Copper

Naumkeag Mine

Past Producer • Copper

New Arcadian Exploration

Prospect • Copper

New Baltic Exploration

Prospect • Copper

Old Colony Exploration

Prospect • Copper

Oneco Exploration

Prospect • Copper

Rhode Island Exploration

Prospect • Copper

Saint Mar* Mine

Prospect • Copper

Atlantic Mine

Past Producer • Copper

Centennial Mine

Past Producer • Copper

Champion Mine

Past Producer • Copper

Franklin Junior Mine

Past Producer • Copper

Hancock Mine

Past Producer • Copper

Iroquois Mine

Past Producer • Copper

Isle Royale Mine

Past Producer • Copper

Kearsarge Mine

Past Producer • Copper

La Salle Mine

Past Producer • Copper

Mayflower Old Colony Mine

Past Producer • Copper

North Kearsarge Mine

Past Producer • Copper

Osceola Mine

Past Producer • Copper

South Kearsarge Mine

Past Producer • Copper

Superior Mine

Past Producer • Copper

Tamarack Junior Mine

Past Producer • Copper

Tamarack Mine

Past Producer • Copper

Trimountain Mine

Past Producer • Copper

Ripley Exploration

Prospect • Copper

Baltic Amygdaloid

Past Producer • Copper

Baltic Mine

Past Producer • Copper

Laurium Mine

Past Producer • Copper

Quincy Mine

Past Producer • Copper, Silver

Wolverine Mine

Past Producer • Copper

Atlantic Amygdaloid

Past Producer • Copper

Houghton Co Road Commission Pit

Producer • Sand and Gravel, Construction

Unnamed Copper Mine

Past Producer • Copper

Unnamed Copper Mine

Past Producer • Copper

King Philip Cu Mine

Past Producer • Copper

Unnamed Copper Mine

Past Producer • Copper

Kingston No.1

Past Producer • Copper

Baltic Amygdaloid

Past Producer • Copper

Unnamed Copper Mine

Past Producer • Copper

North Kearsarge

Past Producer •

Unnamed Copper Prospect

Prospect • Copper

Houghton Co Road Commission Pit

Producer • Stone, Crushed/Broken

Mayflower-Old Colony

Prospect •

Superior

Past Producer •

Houghton No.1

Past Producer • Copper

Unnamed Copper Prospect

Prospect • Copper

South Kearsarge

Past Producer •

Trimountain Cu Mine South

Past Producer • Copper

Arcadian Cu Mine North

Past Producer •

Kearsarge Amygdaloid No.1

Past Producer • Copper

Pewabic No.2

Past Producer • Copper

Unnamed Copper Prospect

Prospect • Copper

Calumet No.1

Past Producer • Copper

Globe Copper Mine

Past Producer • Copper

Hager Lake Pit

Producer • Sand and Gravel, Construction

Houghton Co Road Commission Pit

Producer • Stone, Crushed/Broken

Concord & Douglas Copper Mine

Past Producer • Copper

La Salle Cu Mine

Past Producer • Copper

Unnamed Copper Prospect

Prospect • Copper

Unnamed Copper Prospect

Prospect • Copper

Haltunen Sand & Gravel

Producer • Sand and Gravel, Construction

Franklin

Past Producer • Copper

Baltic Pit

Producer • Stone, Crushed/Broken

Arcadian Copper Mine

Past Producer • Copper

Champion

Past Producer • Copper

Osceola No.1

Past Producer • Copper

Trimountain Cu Mine North

Past Producer • Copper

Winona

Past Producer • Copper

Centennial No. 3-6

Past Producer • Copper

Unnamed Copper Prospect

Prospect • Copper

Unnamed Copper Prospect

Prospect • Copper

Hancock Copper Mines

Past Producer • Copper

Quincy

Past Producer •

Unnamed Copper Prospect

Prospect • Copper

Unnamed Copper Prospect

Prospect • Copper

Pewabic No.1

Past Producer • Copper

Mich Tech University Exper

Past Producer • Stone, Crushed/Broken

Challenge Copper Mine

Past Producer • Copper

Houghton Crushed Stone Pit

Producer • Stone, Crushed/Broken

George Hocking Constr Co Pit

Past Producer • Stone, Crushed/Broken

Unnamed Copper Prospect

Prospect • Copper

Unnamed Copper Prospect

Prospect • Copper

Tamarack Mine Dump

Past Producer • Stone, Crushed/Broken

Quincy Cu Mine

Past Producer • Copper

Baltic

Past Producer • Copper

Franklin Junior Copper Mines

Past Producer • Copper

Winona Copper Mine

Past Producer • Copper

Centennial No.2

Past Producer •

Miscellaneous Amygdaloids No. 1

Past Producer • Copper

Trimountain

Past Producer • Copper

Unnamed Copper Prospect

Prospect • Copper

Houghton Co Road Commission Quarry

Producer • Stone, Crushed/Broken

Miscellaneous Fissures No. 2

Past Producer • Copper

Calumet No 2

Past Producer • Copper

George Hocking Constr Co Pit

Producer • Sand and Gravel, Construction

Wash Plant

Producer • Sand and Gravel, Construction

Unnamed Copper Prospect

Prospect • Copper

Isle Royale

Past Producer • Copper, Silver

Atlantic

Past Producer •

Allouez Conglomerate No 1 & 2

Past Producer • Copper

Rhode Island Cu Mine

Past Producer • Copper

Osceola

Past Producer • Copper

Osceola No. 2

Past Producer • Copper

New Baltic Copper Company

Past Producer • Copper

Dodgeville Pit and Mill

Past Producer • Stone, Crushed/Broken

Superior Cu Mine

Past Producer • Copper

Mesnard Cu Mine

Past Producer • Copper

Miscellaneous Fissures No. 1

Past Producer • Copper

Mica Schist Drill Sample

Prospect • Stone, Crushed/Broken

Wyandotte Cu Mine

Past Producer • Copper

Kingston No.2

Past Producer • Copper

Unnamed Copper Prospect

Prospect • Copper

Kearsarge Amygdaloid No.2

Past Producer • Copper

Gedvillas Pit

Producer • Sand and Gravel, Construction

G and S Sand and Gravel Pit

Producer • Sand and Gravel, Construction

Sturgeon Clay Pit

Past Producer • Fire Clay (Refractory)

Wolverine

Past Producer •

Arcadian Copper Mine South

Past Producer • Copper

Winona Pit

Past Producer • Stone, Crushed/Broken

Trimountain Cu Mine

Past Producer • Copper

Unnamed Copper Mine

Past Producer • Copper

Unnamed Copper Prospect

Prospect • Copper

Superior Sand and Gravel Pit

Producer • Sand and Gravel, Construction

Miscellaneous Amygdaloids No. 2

Past Producer • Copper

Nort* Copper Pit

Prospect • Copper

Moilanen Pit

Producer • Sand and Gravel, Construction

Wheal Kate Prospect

Prospect • Copper

Douglass Houghton Exploration

Prospect • Copper

Montezuma Prospect

Prospect • Copper

Webster Prospect

Prospect • Copper

Pacific Exploration

Prospect • Copper

Mesnard Mine

Past Producer • Copper

Mabbs Mine

Past Producer • Copper

Eagle Exploration

Prospect • Copper

South Side Mine

Past Producer • Copper

Pontiac Exploration

Prospect • Copper

Huron Mine

Past Producer • Copper

Erie-Ontario Mine

Prospect • Copper