Frank Bohn (1878-1975) was best known as "an advocate of industrial unionism who was a founding member of the Industrial Workers of the World." Confirmed that this is the same Frank Bohn who edited Boulder Dam: From the Origin of the Idea to the Swing-Johnson Bill." New York: Joint Committee of National Utility Associations, 1927 (in UNLV Spec. Coll. TC557.5.H6 B62x 1927). -- https://en.wikipedia.org/wiki/Frank_Bohn_(socialist)
Edna Jackson-Ferguson was born October 15, 1897 in Overbrook, Kansas. She married her husband, who worked on the construction of Hoover (Boulder) Dam, on May 17, 1923 in Las Vegas, Nevada. Before moving permanently to Las Vegas, Jackson-Ferguson was a teacher in Idaho. On July 1, 1930, the Jackson family made their way to Nevada, but they weren’t able to move to Boulder City until a year later after the town was built.