1954 C-20550 (Sawmill Mountains Area, Washington County)

The 1954 C-20550 (Sawmill Mountains Area, Washington County, Utah) vertical, black and white (panchromatic) aerial project was acquired by Fairchild Aerial Surveys for Columbia-Geneva Steel at a scales of 1:40,000 (1 inch equals 3333 feet) and 1:57,600 (1 inch equals 4800 feet); 6 inch focal length lens; 400-700 nm spectral range film; 30% sidelap and 60% overlap.