Historical clue formulations

• Flat-bottomed boat — 2025-07-21
• Enter abruptly and obtrusively, with "in" — 2020-03-10
• Erie Canal craft — 2019-12-03
• Canal sight — 2019-07-27
• Trash hauler — 2017-09-06
• Flat-bottomed boat — 2016-12-19
• It gets a tow — 2015-05-21
• Origination point for many fireworks — 2010-08-20
• Enter unannounced, with "in" — 2009-11-03
• Lighter — 2007-05-19
• Water tower? — 2003-06-15
• Trash hauler — 2003-01-22
• Intrude, with "in" — 2002-10-30
• Mississippi River transport — 2000-05-29
• Lighter — 1999-04-09
• Carrier in a canal — 1998-03-22
• Garbage boat — 1996-01-30