Historical clue formulations

• Locale for an echo — 2025-04-19
• Often a river runs through it — 2023-06-14
• Ambush locale in Episode 1 of "The Lone Ranger" — 2014-01-24
• Echo location — 2009-04-08
• Rafting area — 2007-12-23
• Colorado creation — 2005-03-20
• Echo site — 1996-04-02
• Grand site? — 1994-11-07
• Bryce _____ National Park — 1994-10-10