The A. Russell Mortensen photograph collection contains primarily photographs of scenes from the American West. Includes some stills from television westerns and some portraits of A. Russell Mortensen at various public functions.

Dorothy Mortensen (1916-2014) was Managing Editor of Publication for the Utah State Historical Society. From 1970 to 1976, she worked in the correspondence section of the White House Staff, during which time she served as writer and editor for the President's Advisory Council on Historic Preservation. The Dorothy Mortensen photograph collection contains 89 slides and prints depicting Mortensen's family, acquaintances, and career dating from 1970 to 2009.