Historical clue formulations

• Steep-walled canyon — 2026-02-09
• Deep pass? — 2025-11-05
• Pig out — 2024-03-06
• Locale for a rock climber — 2022-07-24
• Overindulge — 2019-06-01
• Stuff oneself — 2017-08-30
• Pig out — 2015-12-28
• Big ravine — 2015-05-29
• Overdo it at dinner — 2015-05-24
• Have thirds, say — 2013-10-19
• Get stuffed — 2010-04-07
• Stuff — 2009-02-15
• Pig out — 2004-08-27
• Mountain climber's obstacle — 2002-10-22
• Bungee jump site — 2002-03-27
• Fill up — 2001-07-01
• Stuff to the gills — 1997-12-08
• Gluttonous meal — 1997-01-11
• Eat gluttonously — 1995-10-10
• Pig out — 1994-12-17
• Watkins Glen, e.g. — 1994-02-07