The origins of Colorado place names offer insightful glimpses into the state's formative years. Emanuel Saltiel named his new community along the Arkansas River Cotopaxi, after a volcano in Ecuador. Rifle Creek and the town of Rifle earned their names thanks to a rifle left behind along the banks of the creek. Optimistic miners mistakenly believed Tarryall had an abundance of gold and thus named it as a place where prospectors could mine and tarry...