The Grand Central Mill was a silver processing stamp mill that processed ore from the Tombstone area mines.
Tags: arizona,cochise county,grand central mill,mill,ruin,san pedro riparian national conservation area,san pedro river valley,stamp mill,tucson field office,wall
Tags: arizona,cochise county,grand central mill,mill,ruin,san pedro riparian national conservation area,san pedro river valley,stamp mill,tucson field office,wall
10/24/2022