Cowdrey, CO Silica Mines

Silica Mines in Cowdrey, Colorado

Mine Owner Land Status Work Type Minerals
Fluorine Vein Properties Ozark-Mahoning Co. (Pennwalt Corp. Subsidiary) Federal Underground Silica
Fluorspar Vein Properties Ozark-Mahoning Co. (Pennwalt Corp. Subsidiary) Federal Underground Silica
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