The Mojave Desert Archives preserves the history of transcontinental travel to the Los Angeles region through the Mojave Desert of eastern California. Route 66, National Old Trails Road, the Mojave Wagon Road, the Santa Fe Railway (now BNSF), Union Pacific Railroad, and Interstate highways were and are major transit routes through the desert terminating in the Los Angeles basin.

The Seaver Center for Western History Research collects, preserves, and makes available to the general public and to scholars historic records pertaining to the history and the exploration of the trans-Mississippi American West, with particular emphasis on Southern California and Los Angeles. Its historic records holdings include (but are not limited to) manuscript materials, books, serials, trade…