The LaPhene "Don" Harris papers consist of his diaries of boat trips, as well as a dairy written by Mary Beckwith, in which Harris was a boatmen on the journey to Glen Canyon. Also included are two interviews by Roy Webb and Gary Topping and Linda Thatcher. Don "River Rat" Harris gained his Civil Engineering degree at U.S.U. and has been piloting boats down the Colorado as a commercial guide since 1938, starting Harris-Brennan River Expeditions (one of the first three commercial river companies) with Jack Brennan shorty thereafter. Harris also spent 33 years working with Federal employment, working with the U.S. Geological Survey and the Bureau of Reclamation -- first in River Control, then in Project Development. Harris has also worked closely with Quality of Water studies.
The Mary Armstrong Milligan papers (1882-2009) contain journal excerpts, correspondence, a handbook, and scrapbooks dealing with Milligan's involvement in river rafting in the Western United States. Milligan was a participant in the South Cottonwood Ward organization (SOCOTWA), a semi-private river outfitter that began after World War II.
The Norman D. and Doris Nevills papers (1890s-1952) constitute one of the finest and most comprehensive collections of original research materials on the history of travel on the Colorado and Green Rivers and their tributaries. Included are correspondence, diaries, logs, subject files, news clippings, and business records. Norman Nevills (1909-1949), supported by his wife Doris, was one of the pioneers of commercial river running.