Colorado Plateau River Guides (CPRG) is an organization of professional river guides that work and recreate on the rivers of the Colorado Plateau. Established in 1993, the organization conducts river education seminars, participates in river protection issues, and produces a journal called The Confluence. The collection contains a variety of membership materials including membership forms, dues, surveys, and ballots. One will also find articles and research papers writen for the CPRG journal, The Confluence , as well as artwork, and correspondence.
The copied Nathaniel Galloway papers (1898-1960) consist of a diary which Galloway kept during a river expedition on the Colorado River as well as newspaper accounts and a letter describing the diary. Nathaniel Galloway was a famous river explorer and boatman.
The Ken Sleight papers consist of a study titled, Following Powell in Cataract which details the two expeditions of John Wesley Powell and Sleight's experiences tracing Powell's route in Cataract Canyon.