Castle Dome Mines Museum

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Jacob Snively after serving as secretary to President Sam Huston began Castle Dome Mines is 1862. The mines were the second patented in Arizona. In 1864 Castle Dome City's population was 12. By the 1880s the population of what was then called Castle Dome City exceeded that of Yuma's. Castle Dome Mines is the longest working mine in Arizona. From 1862 - 1979 the mines and the lives of those who worked them thrived. In 1979 when silver prices dropped to an all time low the mines were closed. Castle Dome Minning District was left to the sun and forgotten.