A newborn infant will need a lifetime supply of:
• 800 pounds of lead
• 750 pounds of zinc
• 1,500 pounds of copper
• 3,593 pounds of aluminum
• 32,700 pounds of iron
• 26,550 pounds of clays
• 28,213 pounds of salt
• and 1,238,101 pounds of stone, sand, gravel and cement
Source: www.dnr.state.mn.us/education/teachers/ activities/soudan_mine/miningfacts.html
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