Artist's Early Concept of Interior Gallery
Initial excavation and blasting for caverns, July 1997
Early construction of tunnel entrance to caverns, December 1997.
Underground Caverns, Early Construction Phase
Caverns were completed & library nearing completion, June 1999.
Grand Opening, April 2000
Architects: Stageberg Beyer Sachs, Inc.
Contractors: C.S. McCrossan, Inc. and M.A. Mortenson Co.
Engineers: CNA Consulting Engineers and Ericksen Ellison Associates