a U.S. Navy Zeppelin moored there in the 1930s. The top of the building was illuminated for weather alerts, with flashing red lights in the event of an approaching storm. The architect was George Winkler, who also designed the Mayo Hotel. See also List of tallest buildings in Tulsa Notes References External links Official site Emporis Bank buildings on the National Register of Historic Places in Oklahoma Buildings and structures in Tulsa, Oklahoma Historic district contributing properties in Oklahoma National Register of Historic Places in Tulsa, Oklahoma Office buildings completed in 1917 Skyscraper office buildings in Tulsa, Oklahoma