Browse mineral resources

Johnson Pit

Producer • Sand and Gravel, Construction

Dow-Ludington

Producer • Magnesite

Dow Chemicals--Ludington, Mich.

Producer • Magnesite

Ludington Pit

Producer • Sand and Gravel, Construction

West Branch Clay Pit

Past Producer • Fire Clay (Refractory)

Harbison-Walker

Plant • Magnesite

Ludington Mill

Past Producer • Sand and Gravel, Construction

Ludington Pit

Producer • Sand and Gravel, Construction

Keise* Clay Pit

Past Producer • Fire Clay (Refractory)

Dow Chemical - Ludington

Producer • Halite

Ludington Site

Past Producer • Silica