Source Festival Hall build for the 1915 Panama Pacific International Exhibition in San Francisco. Destroyed immediately after the event.
Source Computer rendering of the complete 1928 plan for the Fisher Building in Detroit MI. Due to the Great Depression, only 1/3 was ever built.
Source Blimp hangar at Naval Air Station Chatham, Massachusetts, built in 1918 to support air patrols of waters around Cape Cod. Dismantled 1933.