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Sears (Willis) Tower, Chicago, Illinois, Elevations
Skidmore, Owings & Merrill (American, founded 1936) Bruce Graham (American, born Colombia, 1925–2010) Fazlur Khan (American, born Bangladesh, 1929–1982)- Date
- n.d.
- Medium
- Zip-a-tone on sepia
- Dimensions
- 32 × 61 cm (12 5/8 × 24 in.) - Bottom drawing 27 × 95 cm (10 5/8 × 37 7/16 in.) - Top drawing
- Department
- Architecture and Design
- Credit line
- Gift of Skidmore, Owings & Merrill LLP