Historical clue formulations

• Keep from drying out — 2011-11-12
• Lick again — 2007-09-30
• Keep from desiccating — 2006-06-02
• Stop from getting dry — 2005-03-13
• Keep from desiccating — 2004-07-31
• Keep from drying out — 2003-12-05
• Keep from drying out, perhaps — 2002-01-06
• Soak again — 1994-09-22