The Alexander von Humboldt collections (1805-1817) consists of two documents, hand written in Spanish, describing the Kingdom of New Spain, modern day Mexico, during the period of the Spanish Bourbon monarchy providing statistical data.

The Dick Harold Johnson digital photograph collection focuses on river rafting on the Green and Colorado Rivers and boating on Lake Powell. The middle section of the collection contains images of the Colorado River, pre Lake Powell and the filling of the Lake.

The Stanley Jones papers consist of materials concerning the 1979 commemorative trek by Stan Jones and Harvey C. Leake to celebrate the 70th anniversary of the Wetherill-Cummings-Douglass expedition which "discovered" Rainbow Bridge. Included are biographies of Jones and Leake, historical background material, and an itinerary of the trek.

The Charles Kelly photograph collection contains portraits of Charles Kelley, members of the Kelly family, and Frank Beckwith; photographs of persons and sites important in Western history and folklore.

The Richard Joseph LeBlanc, Sr., papers (1970s) contain sections of a guidebook regarding a travel tour titled Book Cliffs Field Trip, Utah.

The film Lost Forever, Everett Ruess is a docu-drama by Utah filmmaker and photographer Diane Orr that loosley interprets the story of Ruess, a Los Angeles artist who hitchhiked to Arizona in 1931 where he wandered into the desert alone and ultimately disappeared. His fate remains unknown.

The Robert Marsham diary (1864-1865) consists of a photocopy of the original diary. Marsham was a well-known explorer, and in this diary he describes his travels in Northern California, British Columbia, Yosemite, Idaho, Utah, the Sandwich Islands, and the Far East. Access to original diary restricted except with permission of the Manuscripts Curator.

The Thorn L. Mayes Sr. papers (1920s-1980s) consist of correspondence, maps, brochures, pamphlets, articles, field books, bulletins, and other materials concerning the exploration of canyon country in Utah and Arizona. A graduate of the University of California (1927), Thorn L. Mayes Sr. (1903-1987) was an electrical engineer who conducted geologic explorations of various areas in the western United States, such as Monument Valley.

The August H. Mihsfeldt papers (1940s) consist of an unpublished manuscript of Mihsfeldt's English translation of Historia de las Indias de Nueva-Espana y islas de Tierra Firme, a 1951 edition of Diego Duran's history.

The James F. Milligan diaries (1846-1854) consist of two volumes written by Milligan. The first is his account of life aboard the Albany, a U.S. sloop of war, while the second concerns his experiences during Fremont's fifth expedition in 1854. James F. Milligan was a Navy midshipman, a Confederate signalman, a newspaper correspondent, and a member of Charles Frémont's 1854 expedition.

The Doyce Blackman Nunis papers (1850-1960) consist of a collection of articles about the Old West and many of its more famous characters. Most of the articles are from such publications as True West and The Real West. It also contains articles about specific areas, such as fur trapping, frontier living, and some women's stories.

The Robert Jerome Parsons photograph collection consists of 134 color 35mm transparencies taken by Dr. Parsons while he was a member of the 1955 Eggert-Hatch film expedition down the Green River from Green River Wyoming to Jensen, Utah.

The Marjorie G. Paul papers (1957-2002) consist of a record of her travels over the years. Marjorie Paul worked as a nurse for the World Health Organization in Ethiopia, South America, and Vietnam, and in the 1960's worked for the United States Agency for International Development in Vietnam.

The Ern Pedler papers (1914-1986) spans his career and creative life, from his high school writings to a letter granting a magazine interview in the 1980s. In addition to the manuscripts, other written material and ephemera give a detailed picture of Western life. Pedler was a long-distance rider, cowboy, and horse wrangler. He was also a prolific writer of fiction.

Article announcing a lecture to commemorate the centennial of John Wesley Powell's expedition to explore the Green and Colorado Rivers. Eugene Shoemaker was a professor at the California Institute of Technology.