Mine, all mine⛏️💎🪨 Eureka, Utah was founded in 1870 when silver and other ores were discovered in the area. By 1910, Eureka was the ninth-largest city in Utah with a population of about 3,500 people. About a decade later, in 1922, Eureka’s Chief Consolidated Mining Company became the LARGEST silver producer in the United States. Despite its economic prosperity through World War I, the mines near Eureka became less productive during the Great Depression. Mining really came to a halt by the late