The Steffen Holding Corporation series consists of documents and materials from 1967 to 1982. United States Air Force office Dr. Robert Steffen formed the Holding Corporation with Elmo C. Bruner as president in the late 1960s. Bruner identified land for Steffen to purchase as investment property in Southern Nevada as well as along the Colorado River in San Bernardino County, California. Bruner earned a commission on profits. Following Elmo Bruner’s death, his son Jerry, became president of Steffen Holding. The corporation dissolved in the early 1980s.