Giragi, Columbus, 1897-

The Lloyd C. Henning Collection is comprised of correspondence, diaries, financial records, reports and printed matter extending from 1885 to 1968. The bulk of the collection ranges from 1915 to 1960 and consists of personal correspondence, files relating to Henning's political affairs, and records of the Navajo Apache Telephone Company.

The collection consists of 22 boxes of correspondence, documents, articles, publications, diaries, and newspaper clippings documenting the Colorado River Controversy, the Gila River Irrigation District, the San Carlos Irrigation District, the Central Arizona Project (CAP), politics, and Thomas Maddock's engineering career.

The Stuart Family Papers consist of correspondence, records, printed materials, and newspaper clippings primarily documenting the business and political activities of William Plato Stuart and Della Tovrea Stuart from 1931 to 1967. The collection includes records from the various meat packing businesses that Edward Ambrose Tovrea founded, including the Tovrea Packing Company of Phoenix, Arizona. The collection has been divided into nine series.