The Grand Canyon management plan collection (1967-1974) contains memoranda and correspondence concerning meeting reviews, new regulations, research requirements, and safety procedures in Grand Canyon National Park. These memorandua and letters were written by the government offices of the National Park Service, Department of the Interior, and Grand Canyon National Park and sent to river running companies or vice versa.

The Heber J. Grant letters (1925, 1930) were written by Grant, then president of the LDS Church, to Oran Joseph Anderson regarding the Woodmen of the World Society and temple recommends. Also included are letters to Mr. and Mrs. M. R. Evans about a book gift.

The Great Buffalo Mining Company records (1947-1971) include a variety of papers, such as various legal documents and forms, articles of incorporation, by-laws, correspondence, news clippings, notes, and lease agreements.

The Green River Mining and Improvement Company records (1895-1896) consist of photocopies of documents from several companies formed in the late nineteenth century. Their purpose was to exploit the resources to be found in the area of the lower Green and Grand (renamed the Colorado in 1921) Rivers. Included are stock certificates, certificates of incorporation, letters, and a prospectus.

The L. Ray Gunn papers (1784-2000) consist of correspondence, article and book drafts, published material, subject files, and notes related to Gunn's research about the history of the New York legislature. Gunn is an Associate Professor in the Department of History at the University of Utah and a specialist in nineteenth century American political history.

The Walter Hahn papers (1939-1986) consist of books and article reprints on education, especially in Germany. Also included in the collection is correspondence, student papers, University of Utah correspondence, and research material on school systems in the Soviet Union. Hahn was a professor of education at the University of Utah and author.

The Kathryn Hain papers (1990-2017) consist of personal and professional material related to Kathryn Hain (b. 1957), who earned a Ph.D. from the University of Utah in the Department of Humanities, College of History. The papers include clippings, correspondence, a dissertation, ephemera, essays, financial records, job applications, notes, research and teaching material.

The Mary Jane Hair papers (1963-1987) consist of materials from and about the Intermountain Conference on Children's Literature, the Intermountain Conference on Young Adult Literature, the Children's Literature Association of Utah, and Theta Alpha Phi. Mary Jane Hair was a librarian at the University of Utah.

The Karen Hale papers (1989-2004) consist of correspondence and legislation materials relating to projects she was involved in. Karen Hale was elected to the Utah State Senate in 1998.

The Barbara Bailey Hales papers (1971-1996) consist of documents collected by Hales regarding her research in sex equality and single parent support as well as her participation on various boards and councils.

The William R. Halliday papers (1960) contain correspondence regarding the geological features of the Glen Canyon reservoir area. Included are letters between Senator Henry Jackson and Fred G. Aandhal (Secretary of the Interior), Aandhal and John Hazle (president, The Mountaineers), and Hazle and William R. Halliday. Also included is an "Index to Glen Canyon Files."

The Barbara J. Hamblin papers (1913-1989) consist of oral history project information on Willam Farr Christensen and his life work. Included are class materials, interview transcripts, correspondence, dance materials, news articles, and other papers.

The E. Kay Hanks papers (1969) contain two letters addressed to "R. J. and Marge" and four leaflets that contain quotes, writings, and biographical information.

The David Hanscom papers (1961-2008) contain materials and notes on the Wasatch Tours series which Hanscom co-authored. This collection also contains Olympic race materials, correspondence, Olympic Feasibility Committee materials, notes, Wasatch Citizens series materials, Utah Nordic Alliance newsletters and event materials, venue information, and ski posters and flyers.

The Albert S. Hansen papers (1962-1971) contain information, correspondence, membership material, and rosters of the Ski Utah Associates, as well as news articles, newsletters, and information about the Olympic Ski Club. Albert S. Hansen worked with the Ski Utah Association, and was a lifelong supporter of University of Utah athletics, and served as the Executive Director of the Intermountain Ski Association.

The J. Michael Hansen letter was written to the Utah Congressional Delegation regarding beginning the impeachment process of President George W. Bush.

The Lysle W. Hansen papers (1941-1946) contain Army records and ephemera from his tour of duty in the European theatre during World War II.