It was late autumn 1900 when a minor cave-in occurred in the giant United Verde mine in Jerome. On December 3, as workers cleared the mess, they were astonished to find a newly exposed cave that contained a mysterious gravesite falloff artifacts. “It was with wonder and awe that the workmen first entered the cave and handled the relics that must have been laid away centuries [ago],” the Jerome News described; adding that it created quite an excitement in the copper town.