Related Clues:

• Stat for Warren Spahn: Abbr.
• Horse-and-buggy, e.g.
• Interminably long time
• Swing or Mesozoic, e.g.
• 1970s polit. cause
• Countless years on end
• Stat for a pitcher
• Silent ___
• Tons of time
• Time-line division
• Stat for hurlers
• Common ___
• Megayears
• Historical timeline section
• Chunk of the past