A giant wrecking ball crashed into the old Fitzsimons smokestack, as a symbolic groundbreaking of the Colorado Science and Technology Park on September 3, 2008. (JAVIER MANZANO / ROCKY MOUNTAIN NEWS) (09/03/2008), [437012414] . Denver Public Library Digital Collections, accessed 20/06/2025, https://digital.denverlibrary.org/nodes/view/895272