Related Clues:

• Prospector's find
• Riches from ditches
• Smelter input
• Time period
• Improve, as beef
• Stretch of history
• Add years to one's life
• Mine diggings
• Where Salem is: Abbr.
• Nev. neighbor
• Historic time
• See 9-Down
• It's pursued in vein
• See 63-Across
• See 2-Down