Historical clue formulations

• Like St. Louis vis-à-vis New Orleans — 2013-02-03
• Opposite the current — 2011-10-21
• Away from the mouth — 2010-07-01
• Opposite the current — 2006-10-27
• Like St. Paul, vis-a-vis St. Louis — 1996-12-06
• In jail? — 1996-08-10