This fifty-four box collection contains the professional papers of Wayne D. Criddle spanning the period from 1910 to 1993. These papers consist of Criddle's correspondence, engineering files, and publications. The materials in this collection document Criddle's work as Utah State engineer, his involvement in various engineering projects in the western United States (particularly in Colorado and New Mexico), and in numerous international projects (including Israel, Ecuador, and Kenya). The organization of this material is based on Criddle's personal filing system. The materials in this collection have been divided into the following categories:

Photographs originally contained in this collection were separated and transferred to USU Special Collections and Archives' Photograph Division. Researchers interested in viewing these photographs should contact the photograph curator.

Researcher Note: USU Special Collections and Archives also contains the papers of individuals connected to Criddle's work, such as George D. Clyde and Orson W. Israelsen. Those interested in viewing Clyde's papers should see COLL MSS 176: The George D. Clyde Papers, COLL MSS 255: The George D. Clyde Speeches, and COLL MSS 279: George D. Clyde Research Materials. For Israelsen's papers, see COLL MSS 31: The Orson W. Israelsen Papers. Photographs have been removed and placed into the Wayne D. Criddle Photograph Collection P0353.