Historical clue formulations

• Rocky outcrops — 2012-04-07
• Places for some aeries — 2009-08-08
• Rocky peaks — 2009-01-15
• Craggy peaks — 2008-03-23
• Rocky peaks — 2005-10-29
• High spots — 2005-01-02
• Lonely heights — 2001-09-19
• Rocky peaks — 1998-12-13
• Rocky peaks — 1995-08-05
• Peaks — 1995-01-08
• High points — 1994-11-27
• Crags — 1994-10-19