In an article for the San Francisco Examiner, Kelham outlined his views on the future of architecture, writing that "the influence of the Exposition's architecture is going to be felt on the Pacific Coast.
This collaborative process is dramatized at the Reserve: as the chief architect of the Exposition in 1915, Kelham had worked closely with its colorist, Jules Guerin; he chose Guerin to paint the mural "Traders of the Adriatic" that features prominently in the entrance to the main lobby.