Historical clue formulations

• Treasure holders — 2017-03-28
• What cuirasses cover — 2007-04-21
• Holders of pirate treasures — 2007-04-16
• Arks — 2003-07-04
• Treasuries — 2001-01-20
• Treasure locales — 2000-08-07
• Ice holders — 1998-07-10
• Safekeeping sites — 1996-06-29
• Caissons — 1996-01-26
• Pieces of bedroom furniture — 1994-11-28