Historical clue formulations

• Vessels that may be propelled with poles — 2025-08-11
• Some swimming pool inflatables — 2025-03-07
• Vessels for whitewater rapids — 2024-12-02
• A whole bunch — 2022-08-06
• Traverses 48-Down, in a way — 2020-10-14
• Rapids transits? — 2020-05-12
• Shooters through rapids — 2017-03-01
• Large amounts — 2016-11-29
• Huge quantities — 2016-11-06
• Travels à la Huckleberry Finn — 2016-06-15
• Lots — 2016-04-23
• Loads — 2016-02-04
• Travels through the Grand Canyon, say — 2015-05-11
• Loads and loads — 2014-07-15
• A lot — 2014-03-09
• Whitewater transports — 2013-12-23
• Bundles of logs, maybe — 2013-02-23
• Flat floaters — 2011-10-12
• Some constructions on "Survivor" — 2010-07-18
• A slew — 2009-11-07
• A large number — 2008-09-28
• A lot — 2008-08-01
• Hosts — 2008-02-01
• Rapids transits — 2007-11-05
• Balsa transports — 2007-10-22
• A lot — 2005-03-26
• Some are inflated — 2003-10-19
• A great deal — 2001-12-06
• They go with the flow — 2001-03-23
• Whole bunch — 1998-06-28
• Some are inflatable — 1998-05-31
• Whitewater transports — 1998-03-23
• A lot — 1997-10-31
• A multitude — 1996-07-20
• Slew — 1996-03-24
• Life-saving equipment — 1995-12-10