1971 NS-256 (State Route 35, Duchesne to Tabiona)
The 1971 NS-256 (State Route 35, Duchesne to Tabiona, Utah) vertical, black and white (panchromatic) aerial project was acquired by the Utah Department of Highways (UDOH), now the Utah Department of Transportation (UDOT), at a scale of 1:6000 (1 inch equals 500 feet).