Related Clues:

• Discovery at Sutter's Mill
• Blood constituent
• Part of a krone
• Smelter stuff
• It may be sought in a rush
• It's picked out
• It's in your blood
• Miner's pay dirt
• Oxygen carrier
• Excavation find
• Blood part
• Miners' strike
• Miner's discovery
• It's found in veins
• Mined find