"Duchesne County, Utah" Pioneer, Utah's Online Library, Duchesne County „Duchesne County, Utah” brief history summary Pioneer, Utah's Online Library, Duchesne County Duchesne County, Utah "Duchesne County, Utah" Duchesne County, Utah Duchesne County, Utah http://pioneer.utah.gov/research/utah_counties/duchesne.html «Duchesne County, Utah»