New Mexico Archives Online (NMAO) provides access to finding aids for archival collections from 19 repositories across the state of New Mexico. The finding aids include information on the contents, historical context, creation, and organization of materials in the collections. Use the NMAO site to browse, explore and discover the exceptional collections of primary resources available in the state. A full list of participating repositories can be found in the Repositories tab at the top of the page.

Each archival repository has its own location, hours, and policies for providing access to its collections. Please consult the individual repository with questions about collections and using materials. See our FAQ page for more information about NMAO.