Napa County, CA Clays Mines

Clays Mines in Napa County, CA

Mine Owner Land Status Work Type Minerals
Basalt Rock Co Unknown Clays
Basalt Rock Co Unknown Clays
Clark and March Kaolin Mine Private Clays
Clark and Marsh Kaolin Unknown Clays
Clark and Marsh Kaolin Mine Clays
Clark and Marsh Kaolin Mine Unknown Clays
Unnamed Location Unknown Clays
Unnamed Quarries Clays
Unnamed Quarries Unknown Clays
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