Article Photos: Loss of Kerr-McGee, other scares failed to stop downtown Oklahoma City's momentum 12/13

The four major eras of downtown skyscraper development - 1910 to 1911 (Skirvin Hilton Hotel), the early 1930s (First National Center), the 1970s (Chase Tower) and current day (Devon Energy Center) - are shown in this photo taken Thursday. <strong>Steve Lackmeyer</strong>