Related Clues:

• Kind of leak
• Sunflower yield
• It's unsmelted
• Unwrought iron?
• Big ___ (certain energy lobby, pejoratively)
• Dig this!
• It could use some refinement
• Groundbreaking discovery?
• Viscous substance
• It's raw
• Tram load
• Cinnabar, e.g.
• Rock band?
• Salem's state: Abbr.
• Galena is one