Historical clue formulations

• Sea bed? — 2024-08-17
• Where one might drift off on a boat — 2022-09-17
• Place to sleep on the go — 2020-06-26
• Salt sack? — 2016-02-20
• Ship slip — 2013-10-29
• Train sleeping spot — 2010-03-01
• Ship's resting place — 2009-10-01
• Resting place — 2008-09-13
• Slip — 2007-03-03
• Train crash site? — 2005-11-25
• Sleeping place on a train — 2001-08-20
• Train's crashing place — 2000-10-13
• Place in a Pullman — 2000-01-09
• Position — 1995-03-05