The California files (1941-2019) sub-series consists largely of research files, reprints, sketches, site survey reports, and correspondence pertaining to Fort Irwin, San Diego, Santa Barbara, San Bernardino, the Mojave Desert, and Joshua Tree National Park. The files also contain Warren’s research files on the San Dieguito and La Jolla complexes. Files from Warren’s work at California universities such as the University of California Santa Barbara (UCSB) and the University of California Los Angeles (UCLA) are included as well.

This set includes: index sheet, site plans, demolition plans, grading plans, utility plans, landscape plans, floor plans, exterior elevations, interior elevations, door/window schedules, wall sections, reflected ceiling plans, roof plans, construction details, equipment plans, equipment schedules, foundation plans, framing plans, plumbing plans, plumbing schedules, plumbing details, fire protection plans, fire protection details, HVAC plans, HVAC details, electrical plans and electrical details.

This set includes drawings by Strauss and Loftfield (engineer) and Harris Engineers, Inc (engineer).