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There's discussion about mining landfills to recover these kinds of materials. When you rememeber we had to dig it all out of the ground, taking it from a dump

• dehrmann 2y ago
  Depending on the age of the landfill, you can find refined aluminum or iron at higher rates than are in ore.
  • foota 2y ago
    I'm amused by the idea of the vintage of a landfill :-)
• hilbert42 2y ago
  Right, see my reply to ars.