Library and Archives
The AHS – Rio Colorado Library and Archival collections are located at the Heritage Branch of the Yuma County Library District. Additional unprocessed collections (photographs and albums) have been temporarily moved to the AHS-Tempe branch for processing.
Visit or call the Rio Colorado Division Archives to learn about Yuma’s rich history.
Please note that the AHS Archives will be closed Saturday July 4th for the holiday.
Arizona Historical Society
Rio Colorado Division Archives (lower floor)
Open Thursdays 2pm-7pm, Fridays and Saturdays 10am-5pm
350 Third Ave., Yuma, AZ 85364
Fees and Permissions
AHS Library Catalog
The library catalog is the starting place for searching the books, serials, directories, yearbooks, and manuscript collections held by the Yuma library. The catalog can be searched by keyword, title, author and format.
Note: AHS-Rio Colorado division materials also can be found in the Yuma County Library Catalog.
The AHS-Rio Colorado division includes various types of collections such as biography, ephemera, manuscripts and oral histories. The collections are listed below, alphabetically by type. Using the links you will find background and content information about each collection. The search box in the right hand column can be used to search across all the collection guides.
- AHS-Rio Colorado Ledger Collection
- AHS-Rio Colorado Scrapbook Collection
- Alpha Delta Kappa
- Arizona Auto Theft Investigators Association
- Arizona Newspaper Printouts
- Arthritis Foundation Collection
- Balsz, Joseph & Jospehine
- Brinley, Charles
- Citizens Title and Trust
- Civil Air Patrol – Squadron 508
- Colorado River Reclamation Projects
- Foster, Ruth
- Frank, Lizzie
- Garden Clubs of Yuma
- Giss, Harold
- Golden Star Mining Company
- Grand Jury Transcripts
- Great Depression in Yuma County
- Hall, Dick Wick
- Hayden-Hart Murder Trial
- Johnson, Harvey
- Ku Klux Klan Records
- Las Amigas Women’s Club
- Lindeman, C. A.
- Love, Frank
- McCoon, Omer T.
- Meadows, Charlie
- Molina Investment Company
- Molloy, Thomas & Anna
- Moser, Marcell
- Oatman Massacre
- Post, Mary Elizabeth
- Public Records Inc.
- Ralston, Dale
- Redondo Family
- Riley, Walter
- Rube, B. Johnny
- Sanguinetti, E. F.
- Sauder, Robert – Yuma Irrigation Research
- Sheet Music Collection
- Sheriff Docket Transcripts
- Smith, Lavern
- Stofella, John and Anna
- Tom Reed Gold Mines Company
- Transcripts of Jailor’s Reports
- U. S. Army Desert Training Center
- U. S. Army Quartermaster – Depot Customhouse
- Wednesday Afternoon Club
- Westover, William
- Winsor, Clarissa
- Woodard, Peter – Yuma School Scrapbooks
- Yuma Army Air Field
- Yuma Business & Professional Women’s Club
- Yuma County Chamber of Commerce
- Yuma County Historical Society Scrapbooks
- Yuma Experimental Farm
- Yuma Historic Designation Review Committee
- Yuma Historic Resources Survey
- Yuma Mesa Homemakers
- Yuma Proving Grounds
- Yuma Strategic Planning Project
- Yuma Title & Trust Company
- Yuma Water Users Association
- Yuman Archeological Society
Oral History Collections:
- AHS – Rio Colorado Oral History Collection
- Yuma Proving Ground Oral History Legacy Project
Photograph Collections (in progress)