In 1766, the Spanish colonists of Tumacacori discovered silver near their mission town, immediately afterward the priests had the local Opata and Tohono O'odham native Americans begin mining, thus establishing the Opata Mine.
The Spanish colonists of Tumacacori discovered silver near their mission town. This was in 1766. This was immediately afterward the priests had the local Opata and Tohono O'odham native Americans begin mining. This mission town was thus establishing the Opata Mine.