Complex sentence: In 1867 free quartz gold was discovered, a mill was built and in 1968 the county seat was moved from the neighboring town of Dayton, near present-day Twin Lakes but no longer in existence, to Granite.
Split into simpler sentences: In 1867 free quartz gold was discovered, a mill was built. In 1968 the county seat was moved from the neighboring town of Dayton, near present-day Twin Lakes but no longer in existence, to Granite.