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Library and Archives

The AHS – Rio Colorado Library and Archival collections are located at the Heritage Branch of the Yuma County Library District.  

Visit or call the Rio Colorado Division Archives to learn about Yuma’s rich history. 

Heritage Library
Arizona Historical Society
Rio Colorado Division Archives (lower floor)
Open Thursdays 2pm-7pm, Fridays and Saturdays 10am-5pm
350 Third Ave., Yuma, AZ 85364

(928) 314-2463
Fees and Permissions

AHS Library Catalog
 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. 

Biography Collection
Ephemera Collection
Digital Collections
Manuscript Collections:


Newspaper Collection

Oral History Collections:

Photograph Collections