Historical clue formulations

• Construction site sight — 2026-09-10
• Classic origami design — 2026-01-11
• Common origami bird — 2025-09-15
• Basic bird made in origami — 2025-07-21
• Aid in skyscraper construction — 2024-09-14
• Towering sight at a site for a tower — 2024-01-05
• Bird that flies with its neck outstretched — 2023-12-21
• Heavy lifter? — 2023-08-20
• World's tallest flying bird — 2023-08-06
• Provider of a lift — 2022-06-25
• Origami shape called "orizuru" — 2021-03-28
• Origami creation — 2019-10-19
• Popular bird in origami — 2019-05-07
• One doing heavy lifting — 2017-05-21
• One raising the bar? — 2015-04-10
• Origami bird — 2014-12-24
• Machine at a construction site — 2014-05-12
• Big picker-upper? — 2014-02-22
• Machine at a construction site — 2013-05-13
• It may take a wrecking ball — 2012-11-15
• Part of a boomtown's skyline — 2012-04-27
• Washington Irving character — 2011-02-25
• Stretch, in a way — 2010-02-21
• Stretch one's neck — 2009-05-03
• Origami figure — 2009-04-19
• Staple figure in origami — 2008-06-15
• Word defined by 20-, 36- and 51-Across — 2008-03-27
• Whooping ___ — 2007-07-23
• Twist in order to see better — 2007-02-27
• One doing heavy lifting — 2006-07-16
• See 33-Down — 2006-06-12
• Origami bird — 2004-08-22
• Whooping ___ — 2004-03-08
• Lifter-upper — 2003-11-30
• One doing heavy lifting — 2003-05-16
• Origami bird — 2002-03-11
• Davit — 2001-01-20
• Weight lifter — 1999-01-31
• Construction site sight — 1998-07-06
• Stretch — 1997-08-10
• Stretch — 1997-06-21
• Stretch — 1996-08-25
• "The Bridge" poet Hart — 1996-08-20
• TV's Dr. Frasier___ — 1996-01-30
• Construction equipment — 1995-08-09
• Endangered bird — 1995-07-16
• Stretch — 1994-11-27
• Sleepy Hollow schoolmaster — 1994-03-14
• Brom Bones's prey — 1993-12-02