Historical clue formulations

• Unearthed? — 2026-07-17
• Worn down — 2025-03-02
• Washed away — 2024-05-01
• Chipped away at — 2023-10-17
• Wore down — 2022-08-07
• Ate away — 2022-01-11
• Lost deposits, as a bank? — 2022-01-09
• Like a seacoast after a storm, maybe — 2020-08-09
• Gradually diminished — 2019-08-25
• Like beaches during storms — 2019-03-26
• Wore down — 2019-03-23
• Like many shorelines — 2018-03-03
• Eaten away, like the first words of 17-, 31-, 48- and 65-Across in order? — 2016-01-11
• Whittled away — 2015-05-21
• Lost some ground — 2015-03-12
• Like some banks — 2008-09-03
• Like shorelines, often — 2008-07-20
• Wore away — 2007-10-01
• Worn away — 2007-05-27
• Washed away — 2006-12-26
• Lost ground — 2006-03-04
• Like badlands — 2006-02-18
• Like many shorelines — 2005-01-16
• Like a ravine — 2005-01-09
• Chipped away at — 2004-09-29
• Like many shorelines — 2001-03-09
• In a weakened state — 2000-08-13
• Worn away — 2000-04-17
• Washed away — 1999-09-05
• Undercut — 1999-08-08
• Undercut — 1999-07-04
• Gradually disappeared — 1998-06-05
• Undercut — 1996-02-06
• Wore away — 1993-12-17