Related Clues:

• Rich layer
• Rich supply of ore
• Fabric joint
• Similar type
• Singer’s line?
• Line in an A-line
• Main highway
• I-5 through Los Angeles, e.g.
• Mother __ (major source)
• Way to one's heart?
• Vein of metallic ore sounds heavy
• Kind, type
• A blood vessel
• Vein of metal ore
• Kind or type